diff --git a/modules/openapi-generator/src/main/resources/csharp/libraries/generichost/JsonConverter.mustache b/modules/openapi-generator/src/main/resources/csharp/libraries/generichost/JsonConverter.mustache
index 6ffd52b4c9f9..1b01865c5d5c 100644
--- a/modules/openapi-generator/src/main/resources/csharp/libraries/generichost/JsonConverter.mustache
+++ b/modules/openapi-generator/src/main/resources/csharp/libraries/generichost/JsonConverter.mustache
@@ -360,7 +360,6 @@
         /// <param name="writer"></param>
         /// <param name="{{#lambda.camelcase_sanitize_param}}{{classname}}{{/lambda.camelcase_sanitize_param}}"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, {{classname}} {{#lambda.camelcase_sanitize_param}}{{classname}}{{/lambda.camelcase_sanitize_param}}, JsonSerializerOptions jsonSerializerOptions)
         {
             {{#lambda.trimLineBreaks}}
@@ -447,7 +446,6 @@
         /// <param name="writer"></param>
         /// <param name="{{#lambda.camelcase_sanitize_param}}{{classname}}{{/lambda.camelcase_sanitize_param}}"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, {{classname}} {{#lambda.camelcase_sanitize_param}}{{classname}}{{/lambda.camelcase_sanitize_param}}, JsonSerializerOptions jsonSerializerOptions)
         {
             {{#lambda.trimTrailingWithNewLine}}
diff --git a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/AnyOfStringArrayOfString.cs b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/AnyOfStringArrayOfString.cs
index 1b72efa00efc..9d8bd7486d2c 100644
--- a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/AnyOfStringArrayOfString.cs
+++ b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/AnyOfStringArrayOfString.cs
@@ -183,7 +183,6 @@ public override AnyOfStringArrayOfString Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="anyOfStringArrayOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AnyOfStringArrayOfString anyOfStringArrayOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -203,7 +202,6 @@ public override void Write(Utf8JsonWriter writer, AnyOfStringArrayOfString anyOf
         /// <param name="writer"></param>
         /// <param name="anyOfStringArrayOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AnyOfStringArrayOfString anyOfStringArrayOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullAndRef.cs b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullAndRef.cs
index ae8b5c31618b..58063242f246 100644
--- a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullAndRef.cs
+++ b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullAndRef.cs
@@ -150,7 +150,6 @@ public override OneOfNullAndRef Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="oneOfNullAndRef"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfNullAndRef oneOfNullAndRef, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, OneOfNullAndRef oneOfNullAndRe
         /// <param name="writer"></param>
         /// <param name="oneOfNullAndRef"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfNullAndRef oneOfNullAndRef, JsonSerializerOptions jsonSerializerOptions)
         {
             if (oneOfNullAndRef.NumberOption.IsSet && oneOfNullAndRef.Number == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullAndRef2.cs b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullAndRef2.cs
index 2cb4cd181707..51e049378b77 100644
--- a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullAndRef2.cs
+++ b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullAndRef2.cs
@@ -150,7 +150,6 @@ public override OneOfNullAndRef2 Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="oneOfNullAndRef2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfNullAndRef2 oneOfNullAndRef2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, OneOfNullAndRef2 oneOfNullAndR
         /// <param name="writer"></param>
         /// <param name="oneOfNullAndRef2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfNullAndRef2 oneOfNullAndRef2, JsonSerializerOptions jsonSerializerOptions)
         {
             if (oneOfNullAndRef2.NumberOption.IsSet && oneOfNullAndRef2.Number == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullAndRef3.cs b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullAndRef3.cs
index c130f2ec24d5..057241873673 100644
--- a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullAndRef3.cs
+++ b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullAndRef3.cs
@@ -150,7 +150,6 @@ public override OneOfNullAndRef3 Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="oneOfNullAndRef3"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfNullAndRef3 oneOfNullAndRef3, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, OneOfNullAndRef3 oneOfNullAndR
         /// <param name="writer"></param>
         /// <param name="oneOfNullAndRef3"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfNullAndRef3 oneOfNullAndRef3, JsonSerializerOptions jsonSerializerOptions)
         {
             if (oneOfNullAndRef3.NumberOption.IsSet && oneOfNullAndRef3.Number == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullableTest.cs b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullableTest.cs
index 2d632afcb947..aa5a21297a26 100644
--- a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullableTest.cs
+++ b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/OneOfNullableTest.cs
@@ -176,7 +176,6 @@ public override OneOfNullableTest Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="oneOfNullableTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfNullableTest oneOfNullableTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -191,7 +190,6 @@ public override void Write(Utf8JsonWriter writer, OneOfNullableTest oneOfNullabl
         /// <param name="writer"></param>
         /// <param name="oneOfNullableTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfNullableTest oneOfNullableTest, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/Parent.cs b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/Parent.cs
index 24712d2aabf4..e9082e293178 100644
--- a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/Parent.cs
+++ b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/Parent.cs
@@ -150,7 +150,6 @@ public override Parent Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="parent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Parent parent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, Parent parent, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="parent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Parent parent, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parent.NumberOption.IsSet && parent.Number == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/ParentWithOneOfProperty.cs b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/ParentWithOneOfProperty.cs
index 0dc1c0a0f8c7..8408e7b83152 100644
--- a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/ParentWithOneOfProperty.cs
+++ b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/ParentWithOneOfProperty.cs
@@ -150,7 +150,6 @@ public override ParentWithOneOfProperty Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="parentWithOneOfProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentWithOneOfProperty parentWithOneOfProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, ParentWithOneOfProperty parent
         /// <param name="writer"></param>
         /// <param name="parentWithOneOfProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentWithOneOfProperty parentWithOneOfProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentWithOneOfProperty.NumberOption.IsSet && parentWithOneOfProperty.Number == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/ParentWithPluralOneOfProperty.cs b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/ParentWithPluralOneOfProperty.cs
index 8efa0a38f470..577db1c9ad3e 100644
--- a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/ParentWithPluralOneOfProperty.cs
+++ b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/ParentWithPluralOneOfProperty.cs
@@ -150,7 +150,6 @@ public override ParentWithPluralOneOfProperty Read(ref Utf8JsonReader utf8JsonRe
         /// <param name="writer"></param>
         /// <param name="parentWithPluralOneOfProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentWithPluralOneOfProperty parentWithPluralOneOfProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, ParentWithPluralOneOfProperty
         /// <param name="writer"></param>
         /// <param name="parentWithPluralOneOfProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentWithPluralOneOfProperty parentWithPluralOneOfProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentWithPluralOneOfProperty.NumberOption.IsSet && parentWithPluralOneOfProperty.Number == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/ParentWithPluralOneOfPropertyNumber.cs b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/ParentWithPluralOneOfPropertyNumber.cs
index 42eb5c9cd94d..466839663f6e 100644
--- a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/ParentWithPluralOneOfPropertyNumber.cs
+++ b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/ParentWithPluralOneOfPropertyNumber.cs
@@ -175,7 +175,6 @@ public override ParentWithPluralOneOfPropertyNumber Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="parentWithPluralOneOfPropertyNumber"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentWithPluralOneOfPropertyNumber parentWithPluralOneOfPropertyNumber, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, ParentWithPluralOneOfPropertyN
         /// <param name="writer"></param>
         /// <param name="parentWithPluralOneOfPropertyNumber"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentWithPluralOneOfPropertyNumber parentWithPluralOneOfPropertyNumber, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/PropertiesWithAnyOf.cs b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/PropertiesWithAnyOf.cs
index e56da97f4a3d..4bbeb83851e3 100644
--- a/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/PropertiesWithAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/latest/AnnotatedEnum/src/Org.OpenAPITools/Model/PropertiesWithAnyOf.cs
@@ -175,7 +175,6 @@ public override PropertiesWithAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="propertiesWithAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PropertiesWithAnyOf propertiesWithAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, PropertiesWithAnyOf properties
         /// <param name="writer"></param>
         /// <param name="propertiesWithAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PropertiesWithAnyOf propertiesWithAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (propertiesWithAnyOf.AnyofNullableNumberOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/latest/HelloWorld/src/Org.OpenAPITools/Model/HelloWorldPostRequest.cs b/samples/client/petstore/csharp/generichost/latest/HelloWorld/src/Org.OpenAPITools/Model/HelloWorldPostRequest.cs
index 090cd71ce295..95d70aa4c80f 100644
--- a/samples/client/petstore/csharp/generichost/latest/HelloWorld/src/Org.OpenAPITools/Model/HelloWorldPostRequest.cs
+++ b/samples/client/petstore/csharp/generichost/latest/HelloWorld/src/Org.OpenAPITools/Model/HelloWorldPostRequest.cs
@@ -150,7 +150,6 @@ public override HelloWorldPostRequest Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="helloWorldPostRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HelloWorldPostRequest helloWorldPostRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, HelloWorldPostRequest helloWor
         /// <param name="writer"></param>
         /// <param name="helloWorldPostRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HelloWorldPostRequest helloWorldPostRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (helloWorldPostRequest.MessageOption.IsSet && helloWorldPostRequest.Message == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/InlineEnumAnyOf/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/latest/InlineEnumAnyOf/src/Org.OpenAPITools/Model/Foo.cs
index c608ecd1f340..96cb3dea0085 100644
--- a/samples/client/petstore/csharp/generichost/latest/InlineEnumAnyOf/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/latest/InlineEnumAnyOf/src/Org.OpenAPITools/Model/Foo.cs
@@ -150,7 +150,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/InlineEnumAnyOf/src/Org.OpenAPITools/Model/IconsDefaultResponse.cs b/samples/client/petstore/csharp/generichost/latest/InlineEnumAnyOf/src/Org.OpenAPITools/Model/IconsDefaultResponse.cs
index 5a4ec01675d2..2ee352e594e1 100644
--- a/samples/client/petstore/csharp/generichost/latest/InlineEnumAnyOf/src/Org.OpenAPITools/Model/IconsDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/latest/InlineEnumAnyOf/src/Org.OpenAPITools/Model/IconsDefaultResponse.cs
@@ -150,7 +150,6 @@ public override IconsDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="iconsDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IconsDefaultResponse iconsDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, IconsDefaultResponse iconsDefa
         /// <param name="writer"></param>
         /// <param name="iconsDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IconsDefaultResponse iconsDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (iconsDefaultResponse.StringOption.IsSet && iconsDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/InlineEnumAnyOf/src/Org.OpenAPITools/Model/IconsSizeParameter.cs b/samples/client/petstore/csharp/generichost/latest/InlineEnumAnyOf/src/Org.OpenAPITools/Model/IconsSizeParameter.cs
index fea23793f6dc..622b404550d4 100644
--- a/samples/client/petstore/csharp/generichost/latest/InlineEnumAnyOf/src/Org.OpenAPITools/Model/IconsSizeParameter.cs
+++ b/samples/client/petstore/csharp/generichost/latest/InlineEnumAnyOf/src/Org.OpenAPITools/Model/IconsSizeParameter.cs
@@ -182,7 +182,6 @@ public override IconsSizeParameter Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="iconsSizeParameter"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IconsSizeParameter iconsSizeParameter, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -206,7 +205,6 @@ public override void Write(Utf8JsonWriter writer, IconsSizeParameter iconsSizePa
         /// <param name="writer"></param>
         /// <param name="iconsSizeParameter"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IconsSizeParameter iconsSizeParameter, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/Color.cs b/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/Color.cs
index 5c5481748c60..987e130d0b2a 100644
--- a/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/Color.cs
+++ b/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/Color.cs
@@ -232,7 +232,6 @@ public override Color Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="color"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Color color, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, Color color, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="color"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Color color, JsonSerializerOptions jsonSerializerOptions)
         {
             if (color.BOption.IsSet && color.B == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/ColorOrNull.cs b/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/ColorOrNull.cs
index 5fe7f524e5d3..20cecf34f10e 100644
--- a/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/ColorOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/ColorOrNull.cs
@@ -182,7 +182,6 @@ public override ColorOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="colorOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ColorOrNull colorOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -206,7 +205,6 @@ public override void Write(Utf8JsonWriter writer, ColorOrNull colorOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="colorOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ColorOrNull colorOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/NullTypeDirect.cs b/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/NullTypeDirect.cs
index cd7da7e755d1..b94b0913878e 100644
--- a/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/NullTypeDirect.cs
+++ b/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/NullTypeDirect.cs
@@ -171,7 +171,6 @@ public override NullTypeDirect Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="nullTypeDirect"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullTypeDirect nullTypeDirect, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, NullTypeDirect nullTypeDirect,
         /// <param name="writer"></param>
         /// <param name="nullTypeDirect"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullTypeDirect nullTypeDirect, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullTypeDirect.IdOption.IsSet && nullTypeDirect.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/Shape.cs
index a4afaf924135..adbf35bb161d 100644
--- a/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/Shape.cs
@@ -171,7 +171,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             if (shape.AreaOption.IsSet && shape.Area == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index e5fe4baf0ce6..7ad4d0642e24 100644
--- a/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -171,7 +171,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             if (shapeOrNull.AreaOption.IsSet && shapeOrNull.Area == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/Widget.cs b/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/Widget.cs
index 70480fd89109..5632d8cbd510 100644
--- a/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/Widget.cs
+++ b/samples/client/petstore/csharp/generichost/latest/NullTypes/src/Org.OpenAPITools/Model/Widget.cs
@@ -230,7 +230,6 @@ public override Widget Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="widget"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Widget widget, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -245,7 +244,6 @@ public override void Write(Utf8JsonWriter writer, Widget widget, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="widget"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Widget widget, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteNumber("id", widget.Id);
diff --git a/samples/client/petstore/csharp/generichost/latest/OneOfList/src/Org.OpenAPITools/Model/OneOfArrayRequest.cs b/samples/client/petstore/csharp/generichost/latest/OneOfList/src/Org.OpenAPITools/Model/OneOfArrayRequest.cs
index 8ce7469d7bca..318822e9f2f3 100644
--- a/samples/client/petstore/csharp/generichost/latest/OneOfList/src/Org.OpenAPITools/Model/OneOfArrayRequest.cs
+++ b/samples/client/petstore/csharp/generichost/latest/OneOfList/src/Org.OpenAPITools/Model/OneOfArrayRequest.cs
@@ -175,7 +175,6 @@ public override OneOfArrayRequest Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="oneOfArrayRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfArrayRequest oneOfArrayRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, OneOfArrayRequest oneOfArrayRe
         /// <param name="writer"></param>
         /// <param name="oneOfArrayRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfArrayRequest oneOfArrayRequest, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/OneOfList/src/Org.OpenAPITools/Model/TestObject.cs b/samples/client/petstore/csharp/generichost/latest/OneOfList/src/Org.OpenAPITools/Model/TestObject.cs
index 6aee702783fc..8f154b47cec6 100644
--- a/samples/client/petstore/csharp/generichost/latest/OneOfList/src/Org.OpenAPITools/Model/TestObject.cs
+++ b/samples/client/petstore/csharp/generichost/latest/OneOfList/src/Org.OpenAPITools/Model/TestObject.cs
@@ -150,7 +150,6 @@ public override TestObject Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestObject testObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, TestObject testObject, JsonSer
         /// <param name="writer"></param>
         /// <param name="testObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestObject testObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testObject.NameOption.IsSet && testObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Activity.cs
index e84a4cec971f..9def19eb7ccc 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Activity.cs
@@ -150,7 +150,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index a658af0bd23b..38a0f47c6f50 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -173,7 +173,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 978164d87a35..b77145c6f888 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -309,7 +309,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -324,7 +323,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Animal.cs
index 18af25619588..71e1da3abd53 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Animal.cs
@@ -186,7 +186,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -211,7 +210,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ApiResponse.cs
index d7ffff1db1f0..df6620749f69 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -196,7 +196,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -211,7 +210,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Apple.cs
index 243207b6c140..a8d8ada0ed03 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Apple.cs
@@ -226,7 +226,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -241,7 +240,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/AppleReq.cs
index 3963c3509d22..9e757834af64 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -169,7 +169,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -184,7 +183,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index a18bbc8f63b9..b026b3b7ea75 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -150,7 +150,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 8a78454bd7f4..4da1ca573ae1 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -150,7 +150,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ArrayTest.cs
index 046bb9f5f789..cdbef448f515 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -196,7 +196,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -211,7 +210,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Banana.cs
index 2096e64bf261..e6337a0cbe25 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Banana.cs
@@ -150,7 +150,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/BananaReq.cs
index 7888e750f399..0bf61002941a 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -169,7 +169,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -184,7 +183,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/BasquePig.cs
index f8aec378b456..5f0981fe22cb 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -146,7 +146,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -161,7 +160,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Capitalization.cs
index a7ffcbe7c972..5dcb942b83c2 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -266,7 +266,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -281,7 +280,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Cat.cs
index a51482b1f721..853836724e65 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Cat.cs
@@ -159,7 +159,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Category.cs
index 26190452c0eb..93c23336f5a5 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Category.cs
@@ -169,7 +169,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -184,7 +183,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ChildCat.cs
index 758438f488b8..ec72929577dc 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -218,7 +218,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -233,7 +232,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ClassModel.cs
index 78874e41333a..f5dd42d7d34e 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -150,7 +150,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index b1995acbd852..9bf60f135a54 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -165,7 +165,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/CopyActivity.cs
index 2ad46f9529a1..d1539c0fec01 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -214,7 +214,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -229,7 +228,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/DanishPig.cs
index a3462f9eb6bb..8963a6916e8b 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -146,7 +146,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -161,7 +160,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index 1ba89c4b0f23..6bf7f6cbecd6 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -156,7 +156,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index a5bf2bd1380b..7c29fc9f3440 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -150,7 +150,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Descendant1.cs
index 65e39f8e4577..fbcc480b0cbd 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -165,7 +165,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Descendant2.cs
index 42eda046d03f..96f959a6f8a4 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -165,7 +165,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Dog.cs
index 3737377345b7..0d0d6ad53ccc 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Dog.cs
@@ -159,7 +159,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Drawing.cs
index b1d3b2c1fb15..9a546d9d3d02 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Drawing.cs
@@ -220,7 +220,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EntityBase.cs
index 73c73cc8a7b6..c14bc3cc145f 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -160,7 +160,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EnumArrays.cs
index f29bed6faf30..0288aae1a9ab 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -312,7 +312,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -327,7 +326,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EnumTest.cs
index 2a2fd0864702..a2e083962f9b 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -851,7 +851,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -866,7 +865,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index 8cc7d8fd5997..8730c9005e78 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -165,7 +165,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/File.cs
index 1b9107bcbcde..4cc9b840f1fe 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/File.cs
@@ -151,7 +151,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -166,7 +165,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index d7ecd89a060b..f7faeb4f5d47 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -173,7 +173,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Foo.cs
index c608ecd1f340..96cb3dea0085 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Foo.cs
@@ -150,7 +150,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index a51857dcf9bf..5c35c5963164 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -150,7 +150,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FormatTest.cs
index f2a74bad58f6..a2c30c4e9bb2 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -927,7 +927,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -942,7 +941,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Fruit.cs
index 8c210eaa800a..6ce32fe5b719 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Fruit.cs
@@ -201,7 +201,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -216,7 +215,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FruitReq.cs
index 1b20a9969162..5924c8e443bd 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -175,7 +175,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/GmFruit.cs
index f0d6a5b664e9..bd0dc42d3bee 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -206,7 +206,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -233,7 +232,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index 64f803eec3f5..4df21a1883db 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -163,7 +163,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 46eddf6866b8..eee9d949fe26 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -173,7 +173,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index e110e32e945c..0498ecdfecfa 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -147,7 +147,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -162,7 +161,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index a16b6b4c9074..a30816464b56 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -265,7 +265,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -280,7 +279,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 55832290c40a..e6c7dc8e1908 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -165,7 +165,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/List.cs
index ca168a960df0..c0e317bd750a 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/List.cs
@@ -150,7 +150,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 9acb4b7fdcef..d0b95803f1ce 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -173,7 +173,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Mammal.cs
index 987fbb3d830e..3c2326670a79 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Mammal.cs
@@ -231,7 +231,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -264,7 +263,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MapTest.cs
index 76558010d3a4..c1f80b5c456a 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MapTest.cs
@@ -285,7 +285,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -300,7 +299,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index 0dbf29842d9a..5d6e1e418f6b 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -150,7 +150,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index d4a007774b21..61f06974324f 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -245,7 +245,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -278,7 +277,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedOneOf.cs
index c4b8905e427e..4ea841a71ae2 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -150,7 +150,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index 2712457d30f9..e7da5fc3b7c3 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -241,7 +241,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -256,7 +255,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index 6e557faf5401..a4f533ef5446 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -231,7 +231,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -246,7 +245,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedSubId.cs
index a2ef341e5f53..9c59717dcdc4 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -150,7 +150,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Model200Response.cs
index d93c8bedfe26..5934337414cd 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -173,7 +173,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ModelClient.cs
index aeb95f31d502..65ac1757e90a 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -150,7 +150,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Name.cs
index 5f9a8fb3a3de..3f861abcf306 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Name.cs
@@ -215,7 +215,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -230,7 +229,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index e51f5d59cff3..14ca17f982ee 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -165,7 +165,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NullableClass.cs
index 92c4cbdb69a0..27b2db08c95a 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -390,7 +390,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -405,7 +404,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index 4b49353c7498..e2fe4c7f4bb5 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -148,7 +148,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -163,7 +162,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NullableShape.cs
index 80dfdb987f4e..7a2e48f13871 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -207,7 +207,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NumberOnly.cs
index 6843ae36df0a..8d4dd0cb7d39 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -150,7 +150,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 1c9a5883e7ec..4ec877b17b12 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -222,7 +222,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -237,7 +236,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/OneOfString.cs
index f18374410642..626368ba9f4e 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -137,7 +137,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -152,7 +151,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Order.cs
index e8d9f865d7f5..a23d090a4422 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Order.cs
@@ -360,7 +360,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -375,7 +374,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/OuterComposite.cs
index d532a9b42b5d..3de119dd0823 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -196,7 +196,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -211,7 +210,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ParentPet.cs
index 4322d5454caf..3bf076b77574 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -133,7 +133,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -153,7 +152,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Pet.cs
index 8ad5fd76b994..ded12e7103ea 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Pet.cs
@@ -347,7 +347,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -362,7 +361,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Pig.cs
index 7df9ca72ec33..6498a57907ab 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Pig.cs
@@ -207,7 +207,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index 9f2518b49d53..2f4281275b53 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -219,7 +219,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Quadrilateral.cs
index 3f316b8da34f..dc55cf1cfe3f 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -207,7 +207,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 7b6bcfb175ae..8d3e9ab67d68 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -146,7 +146,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -161,7 +160,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index 9cda6a9aad2c..42121416b7fb 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -173,7 +173,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/RequiredClass.cs
index d4d7e59418ef..6181f2cf2f88 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -2211,7 +2211,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -2226,7 +2225,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Result.cs
index 1c4aeaa55c9b..f9b56250e6c0 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Result.cs
@@ -199,7 +199,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -214,7 +213,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Return.cs
index 2ff7d5b30387..bec29dd630c1 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Return.cs
@@ -208,7 +208,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -223,7 +222,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 32a28716035a..8562054cd0fd 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -173,7 +173,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 6ab0e07a21b0..71c93036ae38 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -150,7 +150,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index 5023798cda25..5bba23900159 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -165,7 +165,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Shape.cs
index d1be81de0d92..96fb993b385f 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Shape.cs
@@ -207,7 +207,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 20eac6a7a03f..8c5a4e1255d7 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -146,7 +146,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -161,7 +160,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index 2585a167c265..239c63a2aa1c 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -207,7 +207,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 4292f02570cf..524afe09eb9d 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -165,7 +165,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/SpecialModelName.cs
index a7259ffb794b..ad0d3ac92e64 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -173,7 +173,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Tag.cs
index cfd7e9543b5f..821a07b93c85 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Tag.cs
@@ -173,7 +173,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index b18051653715..1ed465d65b4f 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -150,7 +150,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index fa64236bf974..8b1b4218d67a 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -150,7 +150,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -165,7 +164,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestDescendants.cs
index 765c44a4a4e1..eba4c64d0c62 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -255,7 +255,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -280,7 +279,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index ebe745fa5373..abf1e01157d4 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -157,7 +157,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestResult.cs
index a8361493c62d..8448ffcae745 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TestResult.cs
@@ -198,7 +198,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Triangle.cs
index a98796b39e95..bc871e72a346 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Triangle.cs
@@ -231,7 +231,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -264,7 +263,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TriangleInterface.cs
index f8aa93f3012d..8a2b2ddc8dd6 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -146,7 +146,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -161,7 +160,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/User.cs
index a9ced5df860e..5581589b3750 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/User.cs
@@ -399,7 +399,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -414,7 +413,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Whale.cs
index 6f93eb244067..10d1735bdd84 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Whale.cs
@@ -192,7 +192,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -207,7 +206,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Zebra.cs
index 4e7b7e47af90..6e0e3402908e 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/Zebra.cs
@@ -263,7 +263,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -278,7 +277,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index 7d9d604bc7f7..3dc111404975 100644
--- a/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/latest/UseDateTimeOffset/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -223,7 +223,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -238,7 +237,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/AllOf/src/Org.OpenAPITools/Model/Adult.cs b/samples/client/petstore/csharp/generichost/net10/AllOf/src/Org.OpenAPITools/Model/Adult.cs
index e39d6528c83e..2d34b9b9c2f6 100644
--- a/samples/client/petstore/csharp/generichost/net10/AllOf/src/Org.OpenAPITools/Model/Adult.cs
+++ b/samples/client/petstore/csharp/generichost/net10/AllOf/src/Org.OpenAPITools/Model/Adult.cs
@@ -165,7 +165,6 @@ public override Adult Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="adult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Adult adult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, Adult adult, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="adult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Adult adult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (adult.ChildrenOption.IsSet && adult.Children == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/AllOf/src/Org.OpenAPITools/Model/Child.cs b/samples/client/petstore/csharp/generichost/net10/AllOf/src/Org.OpenAPITools/Model/Child.cs
index ca9e960e944e..a41528a8d19c 100644
--- a/samples/client/petstore/csharp/generichost/net10/AllOf/src/Org.OpenAPITools/Model/Child.cs
+++ b/samples/client/petstore/csharp/generichost/net10/AllOf/src/Org.OpenAPITools/Model/Child.cs
@@ -188,7 +188,6 @@ public override Child Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="child"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Child child, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -203,7 +202,6 @@ public override void Write(Utf8JsonWriter writer, Child child, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="child"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Child child, JsonSerializerOptions jsonSerializerOptions)
         {
             if (child.AgeOption.IsSet && child.Age == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/AllOf/src/Org.OpenAPITools/Model/Person.cs b/samples/client/petstore/csharp/generichost/net10/AllOf/src/Org.OpenAPITools/Model/Person.cs
index 59df30ef628a..a8f07fd13d7a 100644
--- a/samples/client/petstore/csharp/generichost/net10/AllOf/src/Org.OpenAPITools/Model/Person.cs
+++ b/samples/client/petstore/csharp/generichost/net10/AllOf/src/Org.OpenAPITools/Model/Person.cs
@@ -214,7 +214,6 @@ public override Person Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="person"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Person person, JsonSerializerOptions jsonSerializerOptions)
         {
             if (person is Adult adult){
@@ -239,7 +238,6 @@ public override void Write(Utf8JsonWriter writer, Person person, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="person"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Person person, JsonSerializerOptions jsonSerializerOptions)
         {
             if (person.FirstNameOption.IsSet && person.FirstName == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/AnyOf/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net10/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
index 62078fd772e4..f013ab58aff2 100644
--- a/samples/client/petstore/csharp/generichost/net10/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net10/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
@@ -158,7 +158,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/AnyOf/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net10/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
index 65f3b8595ee9..d2e3592a7114 100644
--- a/samples/client/petstore/csharp/generichost/net10/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net10/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
@@ -158,7 +158,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net10/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
index 70eeaef7e581..d283da3cd5f9 100644
--- a/samples/client/petstore/csharp/generichost/net10/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net10/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
@@ -214,7 +214,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -241,7 +240,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net10/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
index 2f7c7293e846..8cfcda99a1d7 100644
--- a/samples/client/petstore/csharp/generichost/net10/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net10/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
@@ -157,7 +157,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net10/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
index df0d290f06ee..2be6e1b0501c 100644
--- a/samples/client/petstore/csharp/generichost/net10/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net10/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
@@ -157,7 +157,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net10/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
index f3a5418e2170..ebcf62ab1443 100644
--- a/samples/client/petstore/csharp/generichost/net10/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net10/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
@@ -213,7 +213,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Activity.cs
index 1c125e463c07..0baba23ccf52 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Activity.cs
@@ -156,7 +156,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index 434f74698e3b..38e288cbbe85 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -179,7 +179,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 482589a9e5fc..8b63e560e3c3 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -315,7 +315,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -330,7 +329,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Animal.cs
index 371595944d7b..2407c49d6e87 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Animal.cs
@@ -192,7 +192,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
index 57f797027126..af6d432b7f9f 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -202,7 +202,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Apple.cs
index 39231f0d396f..e9c5013017fa 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Apple.cs
@@ -232,7 +232,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
index 90b875f38347..00162b94b0a8 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -168,7 +168,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index 0deac145a207..c97d9f91e1ef 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 114ec6836190..20a8f6f9d088 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
index 07ecc2d530e9..4d27ed8f58a1 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -202,7 +202,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Banana.cs
index 01833655a60c..83737b32ed0d 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
index e51da17d64bb..8a4e8157fdc9 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -168,7 +168,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
index bf65c1513d18..d39d4142e341 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -152,7 +152,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
index 411ab5061c07..ed964f1dea99 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -272,7 +272,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -287,7 +286,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Cat.cs
index c5c9fa76f628..213afed1301d 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Cat.cs
@@ -158,7 +158,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Category.cs
index 4dfc61b1b3e3..adfb6bb5076a 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Category.cs
@@ -175,7 +175,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
index 0d9b46a978e5..0911d2e29a6e 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -158,7 +158,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
index 9d988f7b5984..eafd95906774 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -156,7 +156,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index 9f1ccf82a8cc..4d63d4298338 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -171,7 +171,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
index 4fb582c6484a..afe1a985cd86 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -154,7 +154,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
index e3acfad07f60..e1e4d5cd40b2 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -152,7 +152,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index cd989244f843..94feb680adba 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -162,7 +162,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -177,7 +176,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index 2a867bcc4298..4148a0a4efe9 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -156,7 +156,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
index 7726e8d5c4c2..3efe5f181740 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -157,7 +157,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
index bb2711891d54..80ee16e20fef 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -157,7 +157,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Dog.cs
index 67c58e4ae967..859e703612ae 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Dog.cs
@@ -158,7 +158,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
index 8e666f2d2867..0d9208ff5c4e 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
@@ -219,7 +219,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
index 3b32946bb5b9..c92e899b7d38 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -166,7 +166,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
index 79d09774978a..379d700af3f1 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -179,7 +179,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
index 02a65dd082b3..c5b98a8acf8b 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -333,7 +333,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -348,7 +347,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index 665b265fe8b5..8a2609aae4e2 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -171,7 +171,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/File.cs
index 6aa960a41e31..978be6bf3452 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/File.cs
@@ -157,7 +157,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index 82e18d1ef389..c3596b4f7d79 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -179,7 +179,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Foo.cs
index 42a29e21422b..ebfbcac41665 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Foo.cs
@@ -156,7 +156,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index 6c0af8514c82..07043466e6a3 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -156,7 +156,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
index fe45e4e488a8..0c14b6c3c122 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -933,7 +933,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -948,7 +947,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
index 5bd5f12a2603..42999757b8fa 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
@@ -200,7 +200,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -215,7 +214,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
index 440fbefb11ac..7dc511018ade 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -174,7 +174,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
index e7a346898f1e..3322eb6f7e15 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -205,7 +205,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index 7496855fdf41..17fc21130302 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -169,7 +169,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 7ed6d4990ae9..0f8656c85e8e 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -220,7 +220,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index caf9ff95f7e7..a1263c37991a 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -153,7 +153,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -168,7 +167,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index 38948d0c1ed3..b0087e834c23 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -318,7 +318,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 2329eea4f42b..60c9114c5791 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -164,7 +164,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/List.cs
index 65bc7f611171..55083fed4563 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/List.cs
@@ -156,7 +156,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 3800055a0760..c98cd6b621e8 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -179,7 +179,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
index c4acb8c9c9bd..be313538ae71 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
@@ -237,7 +237,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
index 6e40d4275163..97bb8da7ad8a 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
@@ -225,7 +225,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index 2814c36e50fa..1a9b032ad804 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -156,7 +156,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index 1adb2bf859d5..a644a5c3610f 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -251,7 +251,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -284,7 +283,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
index c3400316bbc5..def0526bc48f 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -156,7 +156,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index 88d0a9a352de..2367d300da72 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -247,7 +247,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -262,7 +261,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index cc59be1b34d9..d967818f84dd 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -237,7 +237,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -252,7 +251,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
index 2843e40b0049..3bc3896d56ff 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -156,7 +156,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
index 38197b7ab613..4073dbdb33e1 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -179,7 +179,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
index 66179ce2bd9c..8fc27e9fd8a5 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -156,7 +156,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Name.cs
index 8d2d529f0503..7f925e162542 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Name.cs
@@ -262,7 +262,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index 883b72447c75..c67599315467 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -171,7 +171,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
index 77edeb3e45e0..393c046ebc98 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -389,7 +389,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -404,7 +403,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index 96f3e36ecec2..b95f5fdcd5f3 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -154,7 +154,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
index dcbb486a9920..78d92ffdff79 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -213,7 +213,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
index 0e5d10a95ada..2c65bf4c6c90 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -156,7 +156,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 9ecaccc0bb1d..f660f8b075be 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -228,7 +228,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
index af0ceaa278b0..6a272e1b6e8a 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -143,7 +143,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -158,7 +157,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Order.cs
index 32ecad789af6..75b9e6e83497 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Order.cs
@@ -277,7 +277,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -292,7 +291,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
index 5e4cea2ad890..3fcb5458c381 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -202,7 +202,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
index a5c2a2f12ef1..e2eee3e04ee6 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -132,7 +132,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -152,7 +151,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Pet.cs
index bad8f48861c7..58d614666577 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Pet.cs
@@ -264,7 +264,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -279,7 +278,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Pig.cs
index 8922e573ab0f..d7cf2044a024 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Pig.cs
@@ -213,7 +213,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index befe6e02ec3a..75d26e5651e5 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -225,7 +225,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
index bb695bd00b79..eaf989412ccc 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -213,7 +213,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 8d7a57c59526..860e115ad157 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -152,7 +152,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index edcaca516e33..e91a9b116ec8 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -217,7 +217,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
index 2007d33c8f9b..07d56ec87b26 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -1035,7 +1035,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -1050,7 +1049,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Result.cs
index 62bc561934d5..d2ca3e9ac752 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Result.cs
@@ -205,7 +205,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Return.cs
index a9c51b8a1ec6..7d3365117205 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Return.cs
@@ -214,7 +214,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -229,7 +228,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 5e3a5137cb38..821bafb5c74b 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -179,7 +179,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 2b804f7bd98c..e399e3ef9755 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -156,7 +156,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index d8eac4a684ce..498f37a358c7 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -171,7 +171,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Shape.cs
index 49b8e42ab4f9..71a1d4cb0ec0 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Shape.cs
@@ -213,7 +213,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 3fce1535c904..356459fbd154 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -152,7 +152,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index fa998a6ecdd7..17df1392c391 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -213,7 +213,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 179b7c602d12..98336ddd3bbf 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -171,7 +171,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
index c24374910fa1..ebbf47e9c5f1 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -179,7 +179,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Tag.cs
index 1106d4a4e7ee..ef8ec55b20d0 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Tag.cs
@@ -179,7 +179,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index 36a4085251e4..fbdb0cd4a585 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index e6726b227d81..db4b142b687a 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
index 16abb0fa533d..91b0e0dfec84 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -188,7 +188,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index a6ad15da33a2..3852ce1829df 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -156,7 +156,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
index beb1ab579d11..a7c1f97f6c8b 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
@@ -204,7 +204,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
index 1ef3b35e8e9c..8a2e561cc3c2 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
@@ -237,7 +237,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
index ed4592635d34..9a4682473fb4 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -152,7 +152,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/User.cs
index af6279d66395..4ffb503161f7 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/User.cs
@@ -405,7 +405,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -420,7 +419,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Whale.cs
index 5d5e1b5421b6..087642453d9b 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Whale.cs
@@ -198,7 +198,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
index 69ee715e38be..1f3158514d78 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
@@ -175,7 +175,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index ee7e3eecf739..262803184890 100644
--- a/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -156,7 +156,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Activity.cs
index ca8cfb1a062d..68e6556fe628 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Activity.cs
@@ -158,7 +158,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index 4cb0bfbebdc6..8e4f68052139 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -181,7 +181,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 9e6732bcbc10..18942823ef58 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -317,7 +317,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -332,7 +331,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Animal.cs
index 457d433df3bb..ca288e27e247 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Animal.cs
@@ -194,7 +194,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ApiResponse.cs
index eae8aa1c7bfd..429966bbadbd 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -204,7 +204,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Apple.cs
index 9627141cf147..beb6f775284d 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Apple.cs
@@ -234,7 +234,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -249,7 +248,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/AppleReq.cs
index f21dcb8014b1..bd54b3a2f52e 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -170,7 +170,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -185,7 +184,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index 522624a5ce1d..4c069dc4ce82 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -158,7 +158,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 67bbfe87647d..e8675a5a80a1 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -158,7 +158,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayTest.cs
index a01ecacdd72b..43d194bb8b48 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -204,7 +204,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Banana.cs
index ca7e413ceeb6..2d6ae93660d9 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Banana.cs
@@ -158,7 +158,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/BananaReq.cs
index 96a98e9e2f69..3d0a61033423 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -170,7 +170,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -185,7 +184,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/BasquePig.cs
index 001ce4a14655..1ebe60f765ac 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -154,7 +154,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Capitalization.cs
index 85b6baa2d754..8fd8c1a51c41 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -274,7 +274,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -289,7 +288,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Cat.cs
index 05ee372584c4..c7f82b01b78a 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Cat.cs
@@ -160,7 +160,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -175,7 +174,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Category.cs
index 63a943b1ca32..edd7f8dacb8b 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Category.cs
@@ -177,7 +177,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -192,7 +191,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ChildCat.cs
index 506651c5b421..6785fe96f423 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -219,7 +219,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ClassModel.cs
index ba22c38d013f..69e62afafe0c 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -158,7 +158,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index bda6577d02c2..f1bad4d77735 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -173,7 +173,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/CopyActivity.cs
index 1b77996e10c2..77bc89ec64e9 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -215,7 +215,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -230,7 +229,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/DanishPig.cs
index fb8adbaeb62f..8bb1b45865ba 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -154,7 +154,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index bde9eedbf899..d37ac2f6bd54 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -164,7 +164,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index edf3580a5006..f731dd97b377 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -158,7 +158,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant1.cs
index d0913992d157..3fb1c492fd07 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -166,7 +166,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -181,7 +180,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant2.cs
index 5cd06903b366..89e5e80bbf40 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -166,7 +166,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -181,7 +180,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Dog.cs
index d138df0d6905..41b21e4f8645 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Dog.cs
@@ -160,7 +160,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -175,7 +174,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Drawing.cs
index 678e0ed5419d..7f00e7b6b074 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Drawing.cs
@@ -221,7 +221,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -236,7 +235,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EntityBase.cs
index 4c21cc792a55..1bb43e6a8ee3 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -168,7 +168,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumArrays.cs
index 087a026beaaf..c8f09af033bd 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -320,7 +320,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -335,7 +334,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumTest.cs
index 2eefc1ef6ba2..915278e2837c 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -859,7 +859,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -874,7 +873,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index c30ec912d755..87ed595f4a42 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -173,7 +173,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/File.cs
index d5eb5d549ea6..41c218eaf072 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/File.cs
@@ -159,7 +159,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index 7e388fa26fa2..11f2f7e2ebb7 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -181,7 +181,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Foo.cs
index f410f110f43c..d6a71b2f68e6 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Foo.cs
@@ -158,7 +158,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index cfc038f14e58..23310da4d01b 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -158,7 +158,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs
index 3c0a18995dc9..b45123220298 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -935,7 +935,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -950,7 +949,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Fruit.cs
index 363808c467e3..1cb37dc50b07 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Fruit.cs
@@ -202,7 +202,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FruitReq.cs
index af1802aab1a9..13e9d1a5b6bf 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -176,7 +176,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -191,7 +190,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/GmFruit.cs
index 57ccb03380ab..87badf71a4a9 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -207,7 +207,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index b5365a68d6ba..001d612fc862 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -171,7 +171,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 103d547b76d2..7dfecca3e4c2 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -222,7 +222,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -237,7 +236,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index 04f36b46808b..68c52ea737b4 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -155,7 +155,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index fc3ff4a253e9..c1cb9bc77c58 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -320,7 +320,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -335,7 +334,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 466c62aea797..5b6eed7047ce 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -166,7 +166,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -181,7 +180,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/List.cs
index 51f16d706697..64f7d9f90a6c 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/List.cs
@@ -158,7 +158,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 91d2b5fb1c3c..4113e1c396ec 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -181,7 +181,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Mammal.cs
index 05a5e5d55604..8dae459101ba 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Mammal.cs
@@ -239,7 +239,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -272,7 +271,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MapTest.cs
index c232c64f65da..03fef3b9ce60 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MapTest.cs
@@ -293,7 +293,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -308,7 +307,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index f5f988259cdf..18da3c77dd48 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -158,7 +158,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index acbb49099bbd..f2ba03f1e0d4 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -253,7 +253,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -286,7 +285,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOf.cs
index 03581cdcfd40..9d674926e216 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -158,7 +158,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index bac36e3cbe70..1a42741423ae 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -249,7 +249,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -264,7 +263,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index 840ed7657912..fa2e0694bb24 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -239,7 +239,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -254,7 +253,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedSubId.cs
index b385cf0dd9ee..f036240b579b 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -158,7 +158,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Model200Response.cs
index bf0f3e968c36..e4ae282ec9b6 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -181,7 +181,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ModelClient.cs
index 4b654356987a..d0bd57ad9e25 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -158,7 +158,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Name.cs
index 73f861dcc6cc..5ed720c3ccc4 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Name.cs
@@ -264,7 +264,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -279,7 +278,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index c8a57aa7547f..0c5df34a03d3 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -173,7 +173,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableClass.cs
index 96cbd8c1fcca..f6174aea7208 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -391,7 +391,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -406,7 +405,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index 068a79631f0d..09d2f81739a0 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -156,7 +156,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableShape.cs
index f8120a285900..765b17c09b94 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -215,7 +215,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NumberOnly.cs
index 25105240d38d..9a7e8b24d204 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -158,7 +158,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 5b4319dbc5ef..978db5f11c6e 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -230,7 +230,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -245,7 +244,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/OneOfString.cs
index e03117058c32..be2cec490d8f 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -145,7 +145,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -160,7 +159,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Order.cs
index 52073abb4d53..d286ac247aeb 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Order.cs
@@ -368,7 +368,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -383,7 +382,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/OuterComposite.cs
index fe4f0786dbaf..3eac7fb0efdf 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -204,7 +204,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ParentPet.cs
index 8d83f726bb64..4aa68888a6b7 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -134,7 +134,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -154,7 +153,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Pet.cs
index 84a01f8eeae3..1607391d0075 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Pet.cs
@@ -355,7 +355,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -370,7 +369,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Pig.cs
index fa25f86f0451..e5c2b80f4295 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Pig.cs
@@ -215,7 +215,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index d33ed7654562..1caaf6f6b92c 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -227,7 +227,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Quadrilateral.cs
index f3ef0fda6d96..52b8cdfb1355 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -215,7 +215,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 56c9dfeac6ba..4596a6492745 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -154,7 +154,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index 72ccb4531a7d..8978d99739e1 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -219,7 +219,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/RequiredClass.cs
index 186dfc468ead..814f7af2f00d 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -2219,7 +2219,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -2234,7 +2233,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Result.cs
index fe06dd89d4c9..33001f356a9b 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Result.cs
@@ -207,7 +207,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -222,7 +221,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Return.cs
index 12c679cd5146..86dbc4c2a190 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Return.cs
@@ -216,7 +216,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -231,7 +230,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 056240574ca5..428fb58213c1 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -181,7 +181,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 264d24e0505b..8d965d718002 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -158,7 +158,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index fd0f1d1bcba9..f8f7b31fde34 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -173,7 +173,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Shape.cs
index 9946323dcdbe..76cdea3c0f13 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Shape.cs
@@ -215,7 +215,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 4404aab7f1b1..b014ebce7804 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -154,7 +154,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index 665942a5f44f..ab53a15de52d 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -215,7 +215,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index c0ba8c4782be..31e83cc8e021 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -173,7 +173,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/SpecialModelName.cs
index 026f410268fe..781119dc84e7 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -181,7 +181,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Tag.cs
index 0702b6e968f2..f12bda6458a9 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Tag.cs
@@ -181,7 +181,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index 61b664997f85..21e6e3486671 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -158,7 +158,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index 54b592a8f5a4..d58357a22252 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -158,7 +158,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestDescendants.cs
index e75e8fbaeb7c..927eb828c42c 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -263,7 +263,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -288,7 +287,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index 3e8d19707387..b214297afab7 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -158,7 +158,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestResult.cs
index f8a9abc06052..64f9ac9c690b 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TestResult.cs
@@ -206,7 +206,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -221,7 +220,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Triangle.cs
index c3d21195968a..039a2351c3f7 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Triangle.cs
@@ -239,7 +239,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -272,7 +271,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TriangleInterface.cs
index 358a0e2aa20c..e2fc8b97c357 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -154,7 +154,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/User.cs
index ce498d7d327c..b3fe51551553 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/User.cs
@@ -407,7 +407,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -422,7 +421,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Whale.cs
index d0099756b15c..2fad1c319e4b 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Whale.cs
@@ -200,7 +200,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -215,7 +214,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Zebra.cs
index fae5958200e6..31b6a8d4d271 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/Zebra.cs
@@ -264,7 +264,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -279,7 +278,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index cf5d2bcb6a8f..e4137d8207e7 100644
--- a/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/NullReferenceTypes/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -231,7 +231,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -246,7 +245,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Apple.cs
index 62078fd772e4..f013ab58aff2 100644
--- a/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Apple.cs
@@ -158,7 +158,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Banana.cs
index 65f3b8595ee9..d2e3592a7114 100644
--- a/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Banana.cs
@@ -158,7 +158,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
index 995c0a87ad8b..3bb11c348e51 100644
--- a/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
@@ -233,7 +233,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -248,7 +247,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Orange.cs b/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Orange.cs
index eea08050f18f..8895e46f2556 100644
--- a/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Orange.cs
+++ b/samples/client/petstore/csharp/generichost/net10/OneOf/src/Org.OpenAPITools/Model/Orange.cs
@@ -158,7 +158,6 @@ public override Orange Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="orange"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Orange orange, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Orange orange, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="orange"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Orange orange, JsonSerializerOptions jsonSerializerOptions)
         {
             if (orange.SweetOption.IsSet && orange.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Activity.cs
index 1c125e463c07..0baba23ccf52 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Activity.cs
@@ -156,7 +156,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index 434f74698e3b..38e288cbbe85 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -179,7 +179,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 482589a9e5fc..8b63e560e3c3 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -315,7 +315,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -330,7 +329,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Animal.cs
index 371595944d7b..2407c49d6e87 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Animal.cs
@@ -192,7 +192,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
index 57f797027126..af6d432b7f9f 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -202,7 +202,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Apple.cs
index 39231f0d396f..e9c5013017fa 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Apple.cs
@@ -232,7 +232,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
index 90b875f38347..00162b94b0a8 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -168,7 +168,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index 0deac145a207..c97d9f91e1ef 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 114ec6836190..20a8f6f9d088 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
index 07ecc2d530e9..4d27ed8f58a1 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -202,7 +202,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Banana.cs
index 01833655a60c..83737b32ed0d 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
index e51da17d64bb..8a4e8157fdc9 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -168,7 +168,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
index bf65c1513d18..d39d4142e341 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -152,7 +152,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
index 411ab5061c07..ed964f1dea99 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -272,7 +272,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -287,7 +286,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Cat.cs
index c5c9fa76f628..213afed1301d 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Cat.cs
@@ -158,7 +158,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Category.cs
index 4dfc61b1b3e3..adfb6bb5076a 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Category.cs
@@ -175,7 +175,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
index fa6b06132a0c..d2c850231eba 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -217,7 +217,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
index 9d988f7b5984..eafd95906774 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -156,7 +156,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index 9f1ccf82a8cc..4d63d4298338 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -171,7 +171,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
index fad896e8c944..4b3d84af913d 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -213,7 +213,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -228,7 +227,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
index e3acfad07f60..e1e4d5cd40b2 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -152,7 +152,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index cd989244f843..94feb680adba 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -162,7 +162,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -177,7 +176,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index 2a867bcc4298..4148a0a4efe9 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -156,7 +156,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
index ef4fa867e899..bd6d6a6fd835 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -164,7 +164,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
index d83152dfa6b7..853e0f2271e3 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -164,7 +164,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Dog.cs
index 67c58e4ae967..859e703612ae 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Dog.cs
@@ -158,7 +158,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
index 8e666f2d2867..0d9208ff5c4e 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
@@ -219,7 +219,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
index 3b32946bb5b9..c92e899b7d38 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -166,7 +166,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
index 11f9cab173bd..cd2dcaa56797 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -318,7 +318,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
index bd7ccf486fc3..92ecefeb9edd 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -857,7 +857,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -872,7 +871,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index 665b265fe8b5..8a2609aae4e2 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -171,7 +171,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/File.cs
index 6aa960a41e31..978be6bf3452 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/File.cs
@@ -157,7 +157,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index 82e18d1ef389..c3596b4f7d79 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -179,7 +179,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Foo.cs
index 42a29e21422b..ebfbcac41665 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Foo.cs
@@ -156,7 +156,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index 6c0af8514c82..07043466e6a3 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -156,7 +156,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
index fe45e4e488a8..0c14b6c3c122 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -933,7 +933,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -948,7 +947,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
index 5bd5f12a2603..42999757b8fa 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
@@ -200,7 +200,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -215,7 +214,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
index 440fbefb11ac..7dc511018ade 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -174,7 +174,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
index e7a346898f1e..3322eb6f7e15 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -205,7 +205,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index 7496855fdf41..17fc21130302 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -169,7 +169,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 7ed6d4990ae9..0f8656c85e8e 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -220,7 +220,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index caf9ff95f7e7..a1263c37991a 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -153,7 +153,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -168,7 +167,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index 1644c179c75b..090aa1e836aa 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -318,7 +318,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 2329eea4f42b..60c9114c5791 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -164,7 +164,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/List.cs
index 65bc7f611171..55083fed4563 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/List.cs
@@ -156,7 +156,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 3800055a0760..c98cd6b621e8 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -179,7 +179,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
index c4acb8c9c9bd..be313538ae71 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
@@ -237,7 +237,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
index 831d190dfa8d..b5299c925ca4 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
@@ -291,7 +291,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -306,7 +305,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index 2814c36e50fa..1a9b032ad804 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -156,7 +156,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index 1adb2bf859d5..a644a5c3610f 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -251,7 +251,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -284,7 +283,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
index c3400316bbc5..def0526bc48f 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -156,7 +156,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index 88d0a9a352de..2367d300da72 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -247,7 +247,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -262,7 +261,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index cc59be1b34d9..d967818f84dd 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -237,7 +237,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -252,7 +251,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
index 2843e40b0049..3bc3896d56ff 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -156,7 +156,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
index 38197b7ab613..4073dbdb33e1 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -179,7 +179,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
index 66179ce2bd9c..8fc27e9fd8a5 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -156,7 +156,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Name.cs
index 8d2d529f0503..7f925e162542 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Name.cs
@@ -262,7 +262,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index 883b72447c75..c67599315467 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -171,7 +171,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
index 77edeb3e45e0..393c046ebc98 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -389,7 +389,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -404,7 +403,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index 96f3e36ecec2..b95f5fdcd5f3 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -154,7 +154,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
index dcbb486a9920..78d92ffdff79 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -213,7 +213,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
index 0e5d10a95ada..2c65bf4c6c90 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -156,7 +156,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 9ecaccc0bb1d..f660f8b075be 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -228,7 +228,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
index af0ceaa278b0..6a272e1b6e8a 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -143,7 +143,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -158,7 +157,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Order.cs
index f678fe600e84..fbcb9c4af607 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Order.cs
@@ -366,7 +366,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -381,7 +380,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
index 5e4cea2ad890..3fcb5458c381 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -202,7 +202,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
index a5c2a2f12ef1..e2eee3e04ee6 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -132,7 +132,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -152,7 +151,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Pet.cs
index 599d7d612422..f3b9599a1325 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Pet.cs
@@ -353,7 +353,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -368,7 +367,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Pig.cs
index 8922e573ab0f..d7cf2044a024 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Pig.cs
@@ -213,7 +213,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index befe6e02ec3a..75d26e5651e5 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -225,7 +225,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
index bb695bd00b79..eaf989412ccc 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -213,7 +213,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 8d7a57c59526..860e115ad157 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -152,7 +152,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index edcaca516e33..e91a9b116ec8 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -217,7 +217,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
index 779f1eb4f318..54fc15dbf5d7 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -2217,7 +2217,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -2232,7 +2231,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Result.cs
index 62bc561934d5..d2ca3e9ac752 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Result.cs
@@ -205,7 +205,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Return.cs
index a9c51b8a1ec6..7d3365117205 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Return.cs
@@ -214,7 +214,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -229,7 +228,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 5e3a5137cb38..821bafb5c74b 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -179,7 +179,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 2b804f7bd98c..e399e3ef9755 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -156,7 +156,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index d8eac4a684ce..498f37a358c7 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -171,7 +171,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Shape.cs
index 49b8e42ab4f9..71a1d4cb0ec0 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Shape.cs
@@ -213,7 +213,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 3fce1535c904..356459fbd154 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -152,7 +152,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index fa998a6ecdd7..17df1392c391 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -213,7 +213,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 179b7c602d12..98336ddd3bbf 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -171,7 +171,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
index c24374910fa1..ebbf47e9c5f1 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -179,7 +179,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Tag.cs
index 1106d4a4e7ee..ef8ec55b20d0 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Tag.cs
@@ -179,7 +179,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index 36a4085251e4..fbdb0cd4a585 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index e6726b227d81..db4b142b687a 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
index 39a686cd928e..3812a5f24758 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -261,7 +261,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -286,7 +285,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index a6ad15da33a2..3852ce1829df 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -156,7 +156,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
index beb1ab579d11..a7c1f97f6c8b 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
@@ -204,7 +204,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
index 1ef3b35e8e9c..8a2e561cc3c2 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
@@ -237,7 +237,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
index ed4592635d34..9a4682473fb4 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -152,7 +152,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/User.cs
index af6279d66395..4ffb503161f7 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/User.cs
@@ -405,7 +405,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -420,7 +419,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Whale.cs
index 5d5e1b5421b6..087642453d9b 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Whale.cs
@@ -198,7 +198,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
index 351e31c7bec1..c2944781b24a 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
@@ -262,7 +262,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index 2614b6be623f..959d2b03efe1 100644
--- a/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -229,7 +229,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -244,7 +243,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Activity.cs
index 4e8cdbade02e..46121c8de25f 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Activity.cs
@@ -159,7 +159,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index ea78057f2157..5beaf95a3b55 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -182,7 +182,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 033acfcc2f86..b5322aa98c71 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -318,7 +318,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Animal.cs
index f17ca142e62e..a71f0e5513d5 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Animal.cs
@@ -195,7 +195,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ApiResponse.cs
index 7fe2badda61a..ccd192b48a91 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -205,7 +205,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Apple.cs
index 28e983f8c1f7..43c476af80c8 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Apple.cs
@@ -235,7 +235,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -250,7 +249,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/AppleReq.cs
index 6bf3eafa9dde..0a0d2c56ffe1 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -171,7 +171,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index 31d9c34c847b..0a84f33c9a4c 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -159,7 +159,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 162b12039c99..26752a0cd36a 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -159,7 +159,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ArrayTest.cs
index 554aabd49342..944aa9287a73 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -205,7 +205,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Banana.cs
index 67d43b51ee6f..572e40e82582 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Banana.cs
@@ -159,7 +159,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/BananaReq.cs
index 1be1967bbf30..bd71081f4354 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -171,7 +171,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/BasquePig.cs
index a0e29952cf6b..b291a9e0675e 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -155,7 +155,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Capitalization.cs
index 88ffeedd57e2..0aff545dd56c 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -275,7 +275,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -290,7 +289,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Cat.cs
index e4b3cccaac9a..90b25450e6ff 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Cat.cs
@@ -161,7 +161,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -176,7 +175,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Category.cs
index 1201a731b6e7..a0cddb6d5d49 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Category.cs
@@ -178,7 +178,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -193,7 +192,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ChildCat.cs
index 15382bf6aba3..c2e9df55724f 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -220,7 +220,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ClassModel.cs
index b90a63c9080f..1c0e9bb09aaf 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -159,7 +159,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index ce569aa8a223..a45a9e372eaf 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -174,7 +174,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/CopyActivity.cs
index 6ea89bfa46cf..8e4152bbea1d 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -216,7 +216,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -231,7 +230,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/DanishPig.cs
index c75866f77a37..56be838031d7 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -155,7 +155,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index e6886061ce16..18a563f9beed 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -165,7 +165,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index f38c40855cf9..037467af4fd6 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -159,7 +159,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Descendant1.cs
index 4b36c6fb200e..c6346891487e 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -167,7 +167,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -182,7 +181,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Descendant2.cs
index 4060b8ea853e..226f543f4ad3 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -167,7 +167,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -182,7 +181,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Dog.cs
index 16dc36126f60..c09b5894cde4 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Dog.cs
@@ -161,7 +161,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -176,7 +175,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Drawing.cs
index 0204ffd11b67..77792593add9 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Drawing.cs
@@ -222,7 +222,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -237,7 +236,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EntityBase.cs
index 18696b473eaa..bf2eabddedc5 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -169,7 +169,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EnumArrays.cs
index fb02ff8e8d41..58a45a6a87cb 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -321,7 +321,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -336,7 +335,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EnumTest.cs
index 4e67307c599d..8f217f08d673 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -860,7 +860,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -875,7 +874,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index b3efb43120f2..c713c15e8e75 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -174,7 +174,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/File.cs
index 5b777b632272..d63a071c30ae 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/File.cs
@@ -160,7 +160,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -175,7 +174,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index c77f93cc5dda..667548469483 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -182,7 +182,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Foo.cs
index 9bc633fb1347..189b130ccc4d 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Foo.cs
@@ -159,7 +159,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index ed0f645778c7..c8c5fa2a5b55 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -159,7 +159,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs
index 5e2b0098cd89..b6ad544b330d 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -936,7 +936,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -951,7 +950,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Fruit.cs
index 9bef81f9165b..5e9fa4564a89 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Fruit.cs
@@ -203,7 +203,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -218,7 +217,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FruitReq.cs
index ed5e1e35c028..40a9aaf3e761 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -177,7 +177,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -192,7 +191,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/GmFruit.cs
index 319c972914d5..3781db9127c1 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -208,7 +208,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index a561b03d9a80..ae9897dd949a 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -172,7 +172,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index ef6d3ab7c298..267a9bd7253d 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -223,7 +223,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -238,7 +237,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index 78c8b2222aa8..eb10f70fc159 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -156,7 +156,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index 8428d73f1f4d..a5a551d58f03 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -321,7 +321,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -336,7 +335,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 76f823c04feb..18af0f861459 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -167,7 +167,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -182,7 +181,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/List.cs
index d2428a617391..664fa067d24c 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/List.cs
@@ -159,7 +159,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 5089070ed31b..fbd2d2eb5273 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -182,7 +182,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Mammal.cs
index 02f86812548c..6fd97f187117 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Mammal.cs
@@ -240,7 +240,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -273,7 +272,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MapTest.cs
index be29a234a40f..15717778c839 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MapTest.cs
@@ -294,7 +294,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -309,7 +308,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index b161e262d82e..e6d8bd647e7a 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -159,7 +159,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index 230475ed0347..b88a7e3c06af 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -254,7 +254,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -287,7 +286,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOf.cs
index 88bbc61728d0..0cf6230eb6bf 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -159,7 +159,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index ca6ca27187dd..056b2b994649 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -250,7 +250,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -265,7 +264,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index 00c741fe8230..1f5ee59df1e9 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -240,7 +240,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -255,7 +254,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedSubId.cs
index e7b51c028c54..2548f40af76e 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -159,7 +159,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Model200Response.cs
index 6f113f248688..bac80386c438 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -182,7 +182,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ModelClient.cs
index aa8b7f0e664c..3058a0066248 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -159,7 +159,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Name.cs
index a57af8984382..3ce1f23d1746 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Name.cs
@@ -265,7 +265,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -280,7 +279,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index 49af3bbc0011..3db174a72bf7 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -174,7 +174,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NullableClass.cs
index 4c37377b8b56..dbb1effb285b 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -392,7 +392,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -407,7 +406,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index 316f63feb3c1..7aa2022a3dbe 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -157,7 +157,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NullableShape.cs
index 650fa75d3470..b094f730ebc4 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -216,7 +216,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NumberOnly.cs
index f3b39743e06c..d8a6197c7490 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -159,7 +159,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 181ca33013a1..a6c1d895cfda 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -231,7 +231,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -246,7 +245,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/OneOfString.cs
index 4a46f52ead3a..8bca9c113496 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -146,7 +146,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -161,7 +160,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Order.cs
index 2a4479bb6892..8006cfbce439 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Order.cs
@@ -369,7 +369,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -384,7 +383,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/OuterComposite.cs
index 611702e0a740..5e1a645aa922 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -205,7 +205,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ParentPet.cs
index b5a9f269d06a..2206723bdf42 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -135,7 +135,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -155,7 +154,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Pet.cs
index 2f834d4ad27e..71c2b601e315 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Pet.cs
@@ -356,7 +356,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -371,7 +370,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Pig.cs
index 4e3ca083f0e0..b3abfe311cca 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Pig.cs
@@ -216,7 +216,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index d3e959b95a67..e0baef9347bc 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -228,7 +228,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Quadrilateral.cs
index 07a6da257acc..850de679ebf5 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -216,7 +216,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 6da445395d9b..03646d05416b 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -155,7 +155,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index 721f02f2e915..f1ba87a2635c 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -220,7 +220,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/RequiredClass.cs
index b876a0dfebb4..e7e2d194acb0 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -2220,7 +2220,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -2235,7 +2234,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Result.cs
index bbeabbb4a288..7724cc47e7e3 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Result.cs
@@ -208,7 +208,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -223,7 +222,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Return.cs
index a939792e9831..e0bbb6a90515 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Return.cs
@@ -217,7 +217,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 1dd908069a7d..c227978f4c94 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -182,7 +182,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index af7998bdab26..95e96c442bb9 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -159,7 +159,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index fd5f5a3f6e69..538857e10d49 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -174,7 +174,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Shape.cs
index 2a1135dcf33c..92a7d9bf8462 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Shape.cs
@@ -216,7 +216,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 2d1a8d444eba..78ba8e07009a 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -155,7 +155,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index 4ff352dcff8f..f8350930f14a 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -216,7 +216,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 7de7001d7e74..964f5b3ed00e 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -174,7 +174,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/SpecialModelName.cs
index 5d8916e01495..0e3972e37a16 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -182,7 +182,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Tag.cs
index 9d3e01cfe13f..56424996d5c0 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Tag.cs
@@ -182,7 +182,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index a77e39fb335a..1e54eafcfa2b 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -159,7 +159,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index fa3bdcca712c..64b45c2a1d34 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -159,7 +159,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestDescendants.cs
index c55f09c24ad7..90d78d2e066f 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -264,7 +264,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -289,7 +288,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index 79f0d4ead06e..bb87cf541324 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -159,7 +159,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestResult.cs
index ed2c4f9b1ee4..4205752aa4d2 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TestResult.cs
@@ -207,7 +207,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -222,7 +221,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Triangle.cs
index a136888f90d4..399994e28dc2 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Triangle.cs
@@ -240,7 +240,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -273,7 +272,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TriangleInterface.cs
index bacb230b71b7..1892a822d865 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -155,7 +155,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/User.cs
index 66da53d722ec..04daff1ed7be 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/User.cs
@@ -408,7 +408,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -423,7 +422,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Whale.cs
index 29ec64728866..29bde9dd1ac8 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Whale.cs
@@ -201,7 +201,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -216,7 +215,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Zebra.cs
index fa37280bcd17..f60c1b215254 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/Zebra.cs
@@ -265,7 +265,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -280,7 +279,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index 184ee862a155..f0e86093b153 100644
--- a/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net10/SourceGeneration/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -232,7 +232,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net10/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs b/samples/client/petstore/csharp/generichost/net10/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
index 43cfd5298ad3..a6a24e6491c7 100644
--- a/samples/client/petstore/csharp/generichost/net10/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net10/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
@@ -183,7 +183,6 @@ public override NowGet200Response Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nowGet200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NowGet200Response nowGet200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -198,7 +197,6 @@ public override void Write(Utf8JsonWriter writer, NowGet200Response nowGet200Res
         /// <param name="writer"></param>
         /// <param name="nowGet200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NowGet200Response nowGet200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nowGet200Response.NowOption.IsSet && nowGet200Response.Now == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/AllOf/src/Org.OpenAPITools/Model/Adult.cs b/samples/client/petstore/csharp/generichost/net4.7/AllOf/src/Org.OpenAPITools/Model/Adult.cs
index b9b18bbc096f..75278d7e9539 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/AllOf/src/Org.OpenAPITools/Model/Adult.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/AllOf/src/Org.OpenAPITools/Model/Adult.cs
@@ -163,7 +163,6 @@ public override Adult Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="adult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Adult adult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -178,7 +177,6 @@ public override void Write(Utf8JsonWriter writer, Adult adult, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="adult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Adult adult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (adult.ChildrenOption.IsSet && adult.Children == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/AllOf/src/Org.OpenAPITools/Model/Child.cs b/samples/client/petstore/csharp/generichost/net4.7/AllOf/src/Org.OpenAPITools/Model/Child.cs
index d5462ab3dbf8..90344880babb 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/AllOf/src/Org.OpenAPITools/Model/Child.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/AllOf/src/Org.OpenAPITools/Model/Child.cs
@@ -186,7 +186,6 @@ public override Child Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="child"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Child child, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -201,7 +200,6 @@ public override void Write(Utf8JsonWriter writer, Child child, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="child"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Child child, JsonSerializerOptions jsonSerializerOptions)
         {
             if (child.AgeOption.IsSet && child.Age == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/AllOf/src/Org.OpenAPITools/Model/Person.cs b/samples/client/petstore/csharp/generichost/net4.7/AllOf/src/Org.OpenAPITools/Model/Person.cs
index 625786083eea..d2361b98b378 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/AllOf/src/Org.OpenAPITools/Model/Person.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/AllOf/src/Org.OpenAPITools/Model/Person.cs
@@ -212,7 +212,6 @@ public override Person Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="person"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Person person, JsonSerializerOptions jsonSerializerOptions)
         {
             if (person is Adult adult){
@@ -237,7 +236,6 @@ public override void Write(Utf8JsonWriter writer, Person person, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="person"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Person person, JsonSerializerOptions jsonSerializerOptions)
         {
             if (person.FirstNameOption.IsSet && person.FirstName == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/AnyOf/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net4.7/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
index df4bf4e37b63..4fe8ad9cc6dc 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
@@ -156,7 +156,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/AnyOf/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net4.7/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
index 88894092e99e..4f1337d74655 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net4.7/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
index d7af13151fef..33ae6928a6bb 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
@@ -212,7 +212,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -239,7 +238,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net4.7/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
index b5687ef261f4..8b3c93cc0c0e 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
@@ -155,7 +155,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net4.7/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
index 7dbf98be365b..2c09da6fbd14 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
@@ -155,7 +155,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net4.7/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
index 2dae9960660f..b247159127c6 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
@@ -211,7 +211,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -238,7 +237,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Activity.cs
index 99262aea8c59..404476d906b0 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Activity.cs
@@ -156,7 +156,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index 03949c150021..46ae0e3f391d 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -179,7 +179,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 326b04bfc736..e01cfeffeb0d 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -315,7 +315,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -330,7 +329,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Animal.cs
index 24bb80b1161e..1f0daf2c9e58 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Animal.cs
@@ -192,7 +192,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
index 53bcd08ade21..5fd2aa296926 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -202,7 +202,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Apple.cs
index 75cee1b3c300..ef8268a90a59 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Apple.cs
@@ -232,7 +232,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
index 3b78fca25fa6..4938fc5a2e5b 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -168,7 +168,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index a7dd1fab07e2..d085ea5e2d2c 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 977b54bc1746..dc3b303411ef 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
index 083bb513576a..eaf99dd9f801 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -202,7 +202,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Banana.cs
index f330f0454ebf..32eea508145d 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
index b7bc9af9a97d..42d1bc50f756 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -168,7 +168,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
index bf65c1513d18..d39d4142e341 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -152,7 +152,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
index fd01e5b09eaf..94ce156e0bf6 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -272,7 +272,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -287,7 +286,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Cat.cs
index ea0441165f89..bf570dbe9416 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Cat.cs
@@ -158,7 +158,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Category.cs
index 6dc2362cc48e..062bc4656542 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Category.cs
@@ -175,7 +175,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
index 73f63544fda2..24a9a4fe82d3 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -158,7 +158,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
index 62e448309893..15973b9e79fa 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -156,7 +156,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index 9f1ccf82a8cc..4d63d4298338 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -171,7 +171,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
index 4fb582c6484a..afe1a985cd86 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -154,7 +154,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
index e3acfad07f60..e1e4d5cd40b2 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -152,7 +152,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index b4f039671025..6428222c29eb 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -162,7 +162,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -177,7 +176,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index de7a0f313660..747fbc7166f1 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -156,7 +156,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
index 7726e8d5c4c2..3efe5f181740 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -157,7 +157,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
index bb2711891d54..80ee16e20fef 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -157,7 +157,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Dog.cs
index e076e9c9525e..0d9da93f7e79 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Dog.cs
@@ -158,7 +158,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
index 2aa9413a0cfb..28b81cba6536 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
@@ -219,7 +219,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
index 3b32946bb5b9..c92e899b7d38 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -166,7 +166,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
index ac797b4b2a4d..c584e4cd38cc 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -179,7 +179,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
index c9546d45bb5e..82491a31c01f 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -333,7 +333,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -348,7 +347,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index 665b265fe8b5..8a2609aae4e2 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -171,7 +171,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/File.cs
index 159542d8f5fa..028476ef05b2 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/File.cs
@@ -157,7 +157,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index d9dd4b26705c..e7f69a24ef3d 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -179,7 +179,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Foo.cs
index a631d8e2d18a..8620b135a5d6 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Foo.cs
@@ -156,7 +156,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index 1bbcb2be323c..d0aa9bc4699a 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -156,7 +156,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
index 30fe9ab86ca4..8195715477ac 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -933,7 +933,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -948,7 +947,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
index d1a64f42f03b..8ad0d64c1be5 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
@@ -200,7 +200,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -215,7 +214,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
index 440fbefb11ac..7dc511018ade 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -174,7 +174,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
index 8d572546f439..4b122a792d91 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -205,7 +205,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index 7496855fdf41..17fc21130302 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -169,7 +169,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 7ed6d4990ae9..0f8656c85e8e 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -220,7 +220,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index 51b2a710bcc6..ffd2310b3213 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -153,7 +153,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -168,7 +167,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index c3b0e495f381..154e205c9166 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -318,7 +318,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 2329eea4f42b..60c9114c5791 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -164,7 +164,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/List.cs
index eef51661c9d7..2f275baa700f 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/List.cs
@@ -156,7 +156,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 0ca2db559ebe..ab45fc36b6c7 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -179,7 +179,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
index c4acb8c9c9bd..be313538ae71 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
@@ -237,7 +237,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
index a8f945455f89..cba96541fc88 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
@@ -225,7 +225,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index 02b04b791e8e..bb4959ca5175 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -156,7 +156,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index 8b969a45ff95..b8fc88212401 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -251,7 +251,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -284,7 +283,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
index 40618643e1b0..706d7fc6b64c 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -156,7 +156,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index 88d0a9a352de..2367d300da72 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -247,7 +247,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -262,7 +261,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index ea319b6748e3..79dbf684c0cd 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -237,7 +237,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -252,7 +251,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
index 87e11e6999e3..121a21a30b23 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -156,7 +156,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
index d9971e56423d..aceb8d425b94 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -179,7 +179,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
index 429d211bd3f2..2d1e29add011 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -156,7 +156,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Name.cs
index 8d1f2aeb0db8..4517587d378c 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Name.cs
@@ -262,7 +262,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index 883b72447c75..c67599315467 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -171,7 +171,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
index dd795c454755..7004be254436 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -389,7 +389,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -404,7 +403,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index b3f079055bad..450d192600cb 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -154,7 +154,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
index dcbb486a9920..78d92ffdff79 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -213,7 +213,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
index f9c0e035e424..1ef25662ecf5 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -156,7 +156,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 1cf2977d186e..e71b7f7939c3 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -228,7 +228,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
index af0ceaa278b0..6a272e1b6e8a 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -143,7 +143,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -158,7 +157,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Order.cs
index e290d5709f95..8b8cbdaec4fa 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Order.cs
@@ -277,7 +277,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -292,7 +291,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
index 99b0abbaa0f5..c455c6d87241 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -202,7 +202,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
index a5c2a2f12ef1..e2eee3e04ee6 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -132,7 +132,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -152,7 +151,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Pet.cs
index f7160d5780d4..47d94d67468a 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Pet.cs
@@ -264,7 +264,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -279,7 +278,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Pig.cs
index 8922e573ab0f..d7cf2044a024 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Pig.cs
@@ -213,7 +213,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index befe6e02ec3a..75d26e5651e5 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -225,7 +225,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
index bb695bd00b79..eaf989412ccc 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -213,7 +213,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 8d7a57c59526..860e115ad157 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -152,7 +152,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index 3fbd226849a8..40b6be4e4165 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -217,7 +217,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
index e9bd5a324422..eecfaa81ede6 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -1035,7 +1035,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -1050,7 +1049,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Result.cs
index 533d484093fd..b4d4a5929709 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Result.cs
@@ -205,7 +205,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Return.cs
index c44b71b7659b..7a33ca9ddb15 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Return.cs
@@ -214,7 +214,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -229,7 +228,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 455206911cd3..8a95a1148df5 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -179,7 +179,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 367680a1a300..2b94fa2026fd 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -156,7 +156,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index d8eac4a684ce..498f37a358c7 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -171,7 +171,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Shape.cs
index 49b8e42ab4f9..71a1d4cb0ec0 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Shape.cs
@@ -213,7 +213,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 3fce1535c904..356459fbd154 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -152,7 +152,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index fa998a6ecdd7..17df1392c391 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -213,7 +213,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 179b7c602d12..98336ddd3bbf 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -171,7 +171,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
index 51235500e5cc..ad59ab442459 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -179,7 +179,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Tag.cs
index 04b4e2a7feb8..e2213d2d75e1 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Tag.cs
@@ -179,7 +179,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index 77efc5ff13d4..bae68ea3d331 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index d58df26387cf..272a27134f49 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
index 16abb0fa533d..91b0e0dfec84 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -188,7 +188,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index 1e931bd94731..9c44f845a1ac 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -156,7 +156,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
index 5da58612b7ef..d8f5f794a076 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
@@ -204,7 +204,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
index 1ef3b35e8e9c..8a2e561cc3c2 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
@@ -237,7 +237,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
index ed4592635d34..9a4682473fb4 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -152,7 +152,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/User.cs
index 6371c3897a76..f0bc20b7756d 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/User.cs
@@ -405,7 +405,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -420,7 +419,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Whale.cs
index a862447465b1..e43fef0983cd 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Whale.cs
@@ -198,7 +198,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
index fd8f11161c9f..803767b26def 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
@@ -175,7 +175,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index 4690a7b40e2f..9a6741806bf8 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -156,7 +156,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Apple.cs
index df4bf4e37b63..4fe8ad9cc6dc 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Apple.cs
@@ -156,7 +156,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Banana.cs
index 88894092e99e..4f1337d74655 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
index 80949bcaa7c1..a5a0596e62bd 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
@@ -231,7 +231,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -246,7 +245,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Orange.cs b/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Orange.cs
index f940611e82c1..60af42ed154c 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Orange.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Model/Orange.cs
@@ -156,7 +156,6 @@ public override Orange Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="orange"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Orange orange, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Orange orange, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="orange"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Orange orange, JsonSerializerOptions jsonSerializerOptions)
         {
             if (orange.SweetOption.IsSet && orange.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Activity.cs
index 99262aea8c59..404476d906b0 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Activity.cs
@@ -156,7 +156,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index 03949c150021..46ae0e3f391d 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -179,7 +179,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 326b04bfc736..e01cfeffeb0d 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -315,7 +315,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -330,7 +329,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Animal.cs
index 24bb80b1161e..1f0daf2c9e58 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Animal.cs
@@ -192,7 +192,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
index 53bcd08ade21..5fd2aa296926 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -202,7 +202,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Apple.cs
index 75cee1b3c300..ef8268a90a59 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Apple.cs
@@ -232,7 +232,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
index 3b78fca25fa6..4938fc5a2e5b 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -168,7 +168,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index a7dd1fab07e2..d085ea5e2d2c 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 977b54bc1746..dc3b303411ef 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
index 083bb513576a..eaf99dd9f801 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -202,7 +202,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Banana.cs
index f330f0454ebf..32eea508145d 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
index b7bc9af9a97d..42d1bc50f756 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -168,7 +168,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
index bf65c1513d18..d39d4142e341 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -152,7 +152,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
index fd01e5b09eaf..94ce156e0bf6 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -272,7 +272,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -287,7 +286,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Cat.cs
index ea0441165f89..bf570dbe9416 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Cat.cs
@@ -158,7 +158,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Category.cs
index 6dc2362cc48e..062bc4656542 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Category.cs
@@ -175,7 +175,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
index f14bc54e1086..42c3b2eab18e 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -217,7 +217,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
index 62e448309893..15973b9e79fa 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -156,7 +156,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index 9f1ccf82a8cc..4d63d4298338 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -171,7 +171,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
index fad896e8c944..4b3d84af913d 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -213,7 +213,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -228,7 +227,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
index e3acfad07f60..e1e4d5cd40b2 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -152,7 +152,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index b4f039671025..6428222c29eb 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -162,7 +162,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -177,7 +176,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index de7a0f313660..747fbc7166f1 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -156,7 +156,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
index ef4fa867e899..bd6d6a6fd835 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -164,7 +164,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
index d83152dfa6b7..853e0f2271e3 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -164,7 +164,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Dog.cs
index e076e9c9525e..0d9da93f7e79 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Dog.cs
@@ -158,7 +158,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
index 2aa9413a0cfb..28b81cba6536 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
@@ -219,7 +219,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
index 3b32946bb5b9..c92e899b7d38 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -166,7 +166,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
index bb1e852f9e73..a1790a1a6ea3 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -318,7 +318,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
index 41c51e61b129..a5e46b184b61 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -857,7 +857,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -872,7 +871,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index 665b265fe8b5..8a2609aae4e2 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -171,7 +171,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/File.cs
index 159542d8f5fa..028476ef05b2 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/File.cs
@@ -157,7 +157,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index d9dd4b26705c..e7f69a24ef3d 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -179,7 +179,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Foo.cs
index a631d8e2d18a..8620b135a5d6 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Foo.cs
@@ -156,7 +156,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index 1bbcb2be323c..d0aa9bc4699a 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -156,7 +156,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
index 30fe9ab86ca4..8195715477ac 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -933,7 +933,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -948,7 +947,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
index d1a64f42f03b..8ad0d64c1be5 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
@@ -200,7 +200,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -215,7 +214,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
index 440fbefb11ac..7dc511018ade 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -174,7 +174,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
index 8d572546f439..4b122a792d91 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -205,7 +205,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index 7496855fdf41..17fc21130302 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -169,7 +169,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 7ed6d4990ae9..0f8656c85e8e 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -220,7 +220,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index 51b2a710bcc6..ffd2310b3213 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -153,7 +153,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -168,7 +167,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index c3b0e495f381..154e205c9166 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -318,7 +318,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 2329eea4f42b..60c9114c5791 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -164,7 +164,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/List.cs
index eef51661c9d7..2f275baa700f 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/List.cs
@@ -156,7 +156,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 0ca2db559ebe..ab45fc36b6c7 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -179,7 +179,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
index c4acb8c9c9bd..be313538ae71 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
@@ -237,7 +237,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
index fda445a67fcd..888d9392b1f6 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
@@ -291,7 +291,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -306,7 +305,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index 02b04b791e8e..bb4959ca5175 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -156,7 +156,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index 8b969a45ff95..b8fc88212401 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -251,7 +251,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -284,7 +283,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
index 40618643e1b0..706d7fc6b64c 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -156,7 +156,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index 88d0a9a352de..2367d300da72 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -247,7 +247,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -262,7 +261,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index ea319b6748e3..79dbf684c0cd 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -237,7 +237,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -252,7 +251,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
index 87e11e6999e3..121a21a30b23 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -156,7 +156,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
index d9971e56423d..aceb8d425b94 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -179,7 +179,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
index 429d211bd3f2..2d1e29add011 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -156,7 +156,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Name.cs
index 8d1f2aeb0db8..4517587d378c 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Name.cs
@@ -262,7 +262,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index 883b72447c75..c67599315467 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -171,7 +171,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
index dd795c454755..7004be254436 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -389,7 +389,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -404,7 +403,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index b3f079055bad..450d192600cb 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -154,7 +154,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
index dcbb486a9920..78d92ffdff79 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -213,7 +213,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
index f9c0e035e424..1ef25662ecf5 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -156,7 +156,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 1cf2977d186e..e71b7f7939c3 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -228,7 +228,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
index af0ceaa278b0..6a272e1b6e8a 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -143,7 +143,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -158,7 +157,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Order.cs
index 610909884b0f..21414cb6105d 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Order.cs
@@ -366,7 +366,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -381,7 +380,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
index 99b0abbaa0f5..c455c6d87241 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -202,7 +202,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
index a5c2a2f12ef1..e2eee3e04ee6 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -132,7 +132,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -152,7 +151,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Pet.cs
index 33a3d6dece38..b11ba88083fc 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Pet.cs
@@ -353,7 +353,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -368,7 +367,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Pig.cs
index 8922e573ab0f..d7cf2044a024 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Pig.cs
@@ -213,7 +213,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index befe6e02ec3a..75d26e5651e5 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -225,7 +225,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
index bb695bd00b79..eaf989412ccc 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -213,7 +213,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 8d7a57c59526..860e115ad157 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -152,7 +152,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index 3fbd226849a8..40b6be4e4165 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -217,7 +217,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
index fae1bd2034ce..91135420a586 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -2217,7 +2217,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -2232,7 +2231,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Result.cs
index 533d484093fd..b4d4a5929709 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Result.cs
@@ -205,7 +205,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Return.cs
index c44b71b7659b..7a33ca9ddb15 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Return.cs
@@ -214,7 +214,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -229,7 +228,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 455206911cd3..8a95a1148df5 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -179,7 +179,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 367680a1a300..2b94fa2026fd 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -156,7 +156,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index d8eac4a684ce..498f37a358c7 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -171,7 +171,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Shape.cs
index 49b8e42ab4f9..71a1d4cb0ec0 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Shape.cs
@@ -213,7 +213,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 3fce1535c904..356459fbd154 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -152,7 +152,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index fa998a6ecdd7..17df1392c391 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -213,7 +213,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 179b7c602d12..98336ddd3bbf 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -171,7 +171,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
index 51235500e5cc..ad59ab442459 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -179,7 +179,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Tag.cs
index 04b4e2a7feb8..e2213d2d75e1 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Tag.cs
@@ -179,7 +179,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index 77efc5ff13d4..bae68ea3d331 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index d58df26387cf..272a27134f49 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
index 39a686cd928e..3812a5f24758 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -261,7 +261,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -286,7 +285,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index 1e931bd94731..9c44f845a1ac 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -156,7 +156,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
index 5da58612b7ef..d8f5f794a076 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
@@ -204,7 +204,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
index 1ef3b35e8e9c..8a2e561cc3c2 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
@@ -237,7 +237,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
index ed4592635d34..9a4682473fb4 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -152,7 +152,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/User.cs
index 6371c3897a76..f0bc20b7756d 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/User.cs
@@ -405,7 +405,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -420,7 +419,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Whale.cs
index a862447465b1..e43fef0983cd 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Whale.cs
@@ -198,7 +198,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
index 4d6c01689db7..d501d9990668 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
@@ -262,7 +262,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index 44b24d2dad67..55b029c7fd90 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -229,7 +229,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -244,7 +243,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.7/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs b/samples/client/petstore/csharp/generichost/net4.7/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
index e398a5c02a61..bedee1b7b074 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
@@ -181,7 +181,6 @@ public override NowGet200Response Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nowGet200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NowGet200Response nowGet200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, NowGet200Response nowGet200Res
         /// <param name="writer"></param>
         /// <param name="nowGet200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NowGet200Response nowGet200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nowGet200Response.NowOption.IsSet && nowGet200Response.Now == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/AllOf/src/Org.OpenAPITools/Model/Adult.cs b/samples/client/petstore/csharp/generichost/net4.8/AllOf/src/Org.OpenAPITools/Model/Adult.cs
index b9b18bbc096f..75278d7e9539 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/AllOf/src/Org.OpenAPITools/Model/Adult.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/AllOf/src/Org.OpenAPITools/Model/Adult.cs
@@ -163,7 +163,6 @@ public override Adult Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="adult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Adult adult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -178,7 +177,6 @@ public override void Write(Utf8JsonWriter writer, Adult adult, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="adult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Adult adult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (adult.ChildrenOption.IsSet && adult.Children == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/AllOf/src/Org.OpenAPITools/Model/Child.cs b/samples/client/petstore/csharp/generichost/net4.8/AllOf/src/Org.OpenAPITools/Model/Child.cs
index d5462ab3dbf8..90344880babb 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/AllOf/src/Org.OpenAPITools/Model/Child.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/AllOf/src/Org.OpenAPITools/Model/Child.cs
@@ -186,7 +186,6 @@ public override Child Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="child"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Child child, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -201,7 +200,6 @@ public override void Write(Utf8JsonWriter writer, Child child, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="child"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Child child, JsonSerializerOptions jsonSerializerOptions)
         {
             if (child.AgeOption.IsSet && child.Age == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/AllOf/src/Org.OpenAPITools/Model/Person.cs b/samples/client/petstore/csharp/generichost/net4.8/AllOf/src/Org.OpenAPITools/Model/Person.cs
index 625786083eea..d2361b98b378 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/AllOf/src/Org.OpenAPITools/Model/Person.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/AllOf/src/Org.OpenAPITools/Model/Person.cs
@@ -212,7 +212,6 @@ public override Person Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="person"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Person person, JsonSerializerOptions jsonSerializerOptions)
         {
             if (person is Adult adult){
@@ -237,7 +236,6 @@ public override void Write(Utf8JsonWriter writer, Person person, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="person"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Person person, JsonSerializerOptions jsonSerializerOptions)
         {
             if (person.FirstNameOption.IsSet && person.FirstName == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/AnyOf/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net4.8/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
index df4bf4e37b63..4fe8ad9cc6dc 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
@@ -156,7 +156,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/AnyOf/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net4.8/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
index 88894092e99e..4f1337d74655 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net4.8/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
index d7af13151fef..33ae6928a6bb 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
@@ -212,7 +212,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -239,7 +238,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net4.8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
index b5687ef261f4..8b3c93cc0c0e 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
@@ -155,7 +155,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net4.8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
index 7dbf98be365b..2c09da6fbd14 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
@@ -155,7 +155,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net4.8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
index 2dae9960660f..b247159127c6 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
@@ -211,7 +211,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -238,7 +237,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Activity.cs
index 99262aea8c59..404476d906b0 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Activity.cs
@@ -156,7 +156,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index 03949c150021..46ae0e3f391d 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -179,7 +179,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 326b04bfc736..e01cfeffeb0d 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -315,7 +315,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -330,7 +329,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Animal.cs
index 24bb80b1161e..1f0daf2c9e58 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Animal.cs
@@ -192,7 +192,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
index 53bcd08ade21..5fd2aa296926 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -202,7 +202,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Apple.cs
index 75cee1b3c300..ef8268a90a59 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Apple.cs
@@ -232,7 +232,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
index 3b78fca25fa6..4938fc5a2e5b 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -168,7 +168,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index a7dd1fab07e2..d085ea5e2d2c 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 977b54bc1746..dc3b303411ef 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
index 083bb513576a..eaf99dd9f801 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -202,7 +202,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Banana.cs
index f330f0454ebf..32eea508145d 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
index b7bc9af9a97d..42d1bc50f756 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -168,7 +168,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
index bf65c1513d18..d39d4142e341 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -152,7 +152,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
index fd01e5b09eaf..94ce156e0bf6 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -272,7 +272,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -287,7 +286,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Cat.cs
index ea0441165f89..bf570dbe9416 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Cat.cs
@@ -158,7 +158,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Category.cs
index 6dc2362cc48e..062bc4656542 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Category.cs
@@ -175,7 +175,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
index 73f63544fda2..24a9a4fe82d3 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -158,7 +158,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
index 62e448309893..15973b9e79fa 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -156,7 +156,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index 9f1ccf82a8cc..4d63d4298338 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -171,7 +171,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
index 4fb582c6484a..afe1a985cd86 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -154,7 +154,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
index e3acfad07f60..e1e4d5cd40b2 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -152,7 +152,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index b4f039671025..6428222c29eb 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -162,7 +162,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -177,7 +176,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index de7a0f313660..747fbc7166f1 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -156,7 +156,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
index 7726e8d5c4c2..3efe5f181740 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -157,7 +157,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
index bb2711891d54..80ee16e20fef 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -157,7 +157,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Dog.cs
index e076e9c9525e..0d9da93f7e79 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Dog.cs
@@ -158,7 +158,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
index 2aa9413a0cfb..28b81cba6536 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
@@ -219,7 +219,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
index 3b32946bb5b9..c92e899b7d38 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -166,7 +166,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
index ac797b4b2a4d..c584e4cd38cc 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -179,7 +179,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
index c9546d45bb5e..82491a31c01f 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -333,7 +333,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -348,7 +347,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index 665b265fe8b5..8a2609aae4e2 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -171,7 +171,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/File.cs
index 159542d8f5fa..028476ef05b2 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/File.cs
@@ -157,7 +157,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index d9dd4b26705c..e7f69a24ef3d 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -179,7 +179,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Foo.cs
index a631d8e2d18a..8620b135a5d6 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Foo.cs
@@ -156,7 +156,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index 1bbcb2be323c..d0aa9bc4699a 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -156,7 +156,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
index 30fe9ab86ca4..8195715477ac 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -933,7 +933,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -948,7 +947,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
index d1a64f42f03b..8ad0d64c1be5 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
@@ -200,7 +200,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -215,7 +214,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
index 440fbefb11ac..7dc511018ade 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -174,7 +174,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
index 8d572546f439..4b122a792d91 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -205,7 +205,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index 7496855fdf41..17fc21130302 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -169,7 +169,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 7ed6d4990ae9..0f8656c85e8e 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -220,7 +220,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index 51b2a710bcc6..ffd2310b3213 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -153,7 +153,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -168,7 +167,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index c3b0e495f381..154e205c9166 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -318,7 +318,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 2329eea4f42b..60c9114c5791 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -164,7 +164,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/List.cs
index eef51661c9d7..2f275baa700f 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/List.cs
@@ -156,7 +156,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 0ca2db559ebe..ab45fc36b6c7 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -179,7 +179,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
index c4acb8c9c9bd..be313538ae71 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
@@ -237,7 +237,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
index a8f945455f89..cba96541fc88 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
@@ -225,7 +225,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index 02b04b791e8e..bb4959ca5175 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -156,7 +156,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index 8b969a45ff95..b8fc88212401 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -251,7 +251,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -284,7 +283,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
index 40618643e1b0..706d7fc6b64c 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -156,7 +156,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index 88d0a9a352de..2367d300da72 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -247,7 +247,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -262,7 +261,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index ea319b6748e3..79dbf684c0cd 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -237,7 +237,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -252,7 +251,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
index 87e11e6999e3..121a21a30b23 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -156,7 +156,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
index d9971e56423d..aceb8d425b94 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -179,7 +179,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
index 429d211bd3f2..2d1e29add011 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -156,7 +156,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Name.cs
index 8d1f2aeb0db8..4517587d378c 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Name.cs
@@ -262,7 +262,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index 883b72447c75..c67599315467 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -171,7 +171,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
index dd795c454755..7004be254436 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -389,7 +389,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -404,7 +403,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index b3f079055bad..450d192600cb 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -154,7 +154,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
index dcbb486a9920..78d92ffdff79 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -213,7 +213,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
index f9c0e035e424..1ef25662ecf5 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -156,7 +156,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 1cf2977d186e..e71b7f7939c3 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -228,7 +228,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
index af0ceaa278b0..6a272e1b6e8a 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -143,7 +143,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -158,7 +157,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Order.cs
index e290d5709f95..8b8cbdaec4fa 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Order.cs
@@ -277,7 +277,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -292,7 +291,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
index 99b0abbaa0f5..c455c6d87241 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -202,7 +202,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
index a5c2a2f12ef1..e2eee3e04ee6 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -132,7 +132,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -152,7 +151,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Pet.cs
index f7160d5780d4..47d94d67468a 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Pet.cs
@@ -264,7 +264,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -279,7 +278,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Pig.cs
index 8922e573ab0f..d7cf2044a024 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Pig.cs
@@ -213,7 +213,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index befe6e02ec3a..75d26e5651e5 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -225,7 +225,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
index bb695bd00b79..eaf989412ccc 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -213,7 +213,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 8d7a57c59526..860e115ad157 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -152,7 +152,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index 3fbd226849a8..40b6be4e4165 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -217,7 +217,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
index e9bd5a324422..eecfaa81ede6 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -1035,7 +1035,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -1050,7 +1049,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Result.cs
index 533d484093fd..b4d4a5929709 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Result.cs
@@ -205,7 +205,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Return.cs
index c44b71b7659b..7a33ca9ddb15 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Return.cs
@@ -214,7 +214,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -229,7 +228,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 455206911cd3..8a95a1148df5 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -179,7 +179,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 367680a1a300..2b94fa2026fd 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -156,7 +156,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index d8eac4a684ce..498f37a358c7 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -171,7 +171,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Shape.cs
index 49b8e42ab4f9..71a1d4cb0ec0 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Shape.cs
@@ -213,7 +213,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 3fce1535c904..356459fbd154 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -152,7 +152,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index fa998a6ecdd7..17df1392c391 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -213,7 +213,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 179b7c602d12..98336ddd3bbf 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -171,7 +171,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
index 51235500e5cc..ad59ab442459 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -179,7 +179,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Tag.cs
index 04b4e2a7feb8..e2213d2d75e1 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Tag.cs
@@ -179,7 +179,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index 77efc5ff13d4..bae68ea3d331 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index d58df26387cf..272a27134f49 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
index 16abb0fa533d..91b0e0dfec84 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -188,7 +188,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index 1e931bd94731..9c44f845a1ac 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -156,7 +156,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
index 5da58612b7ef..d8f5f794a076 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
@@ -204,7 +204,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
index 1ef3b35e8e9c..8a2e561cc3c2 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
@@ -237,7 +237,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
index ed4592635d34..9a4682473fb4 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -152,7 +152,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/User.cs
index 6371c3897a76..f0bc20b7756d 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/User.cs
@@ -405,7 +405,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -420,7 +419,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Whale.cs
index a862447465b1..e43fef0983cd 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Whale.cs
@@ -198,7 +198,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
index fd8f11161c9f..803767b26def 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
@@ -175,7 +175,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index 4690a7b40e2f..9a6741806bf8 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -156,7 +156,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Apple.cs
index df4bf4e37b63..4fe8ad9cc6dc 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Apple.cs
@@ -156,7 +156,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Banana.cs
index 88894092e99e..4f1337d74655 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
index 80949bcaa7c1..a5a0596e62bd 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
@@ -231,7 +231,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -246,7 +245,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Orange.cs b/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Orange.cs
index f940611e82c1..60af42ed154c 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Orange.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Model/Orange.cs
@@ -156,7 +156,6 @@ public override Orange Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="orange"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Orange orange, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Orange orange, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="orange"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Orange orange, JsonSerializerOptions jsonSerializerOptions)
         {
             if (orange.SweetOption.IsSet && orange.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Activity.cs
index 99262aea8c59..404476d906b0 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Activity.cs
@@ -156,7 +156,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index 03949c150021..46ae0e3f391d 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -179,7 +179,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 326b04bfc736..e01cfeffeb0d 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -315,7 +315,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -330,7 +329,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Animal.cs
index 24bb80b1161e..1f0daf2c9e58 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Animal.cs
@@ -192,7 +192,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
index 53bcd08ade21..5fd2aa296926 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -202,7 +202,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Apple.cs
index 75cee1b3c300..ef8268a90a59 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Apple.cs
@@ -232,7 +232,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
index 3b78fca25fa6..4938fc5a2e5b 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -168,7 +168,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index a7dd1fab07e2..d085ea5e2d2c 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 977b54bc1746..dc3b303411ef 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
index 083bb513576a..eaf99dd9f801 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -202,7 +202,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Banana.cs
index f330f0454ebf..32eea508145d 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
index b7bc9af9a97d..42d1bc50f756 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -168,7 +168,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
index bf65c1513d18..d39d4142e341 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -152,7 +152,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
index fd01e5b09eaf..94ce156e0bf6 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -272,7 +272,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -287,7 +286,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Cat.cs
index ea0441165f89..bf570dbe9416 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Cat.cs
@@ -158,7 +158,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Category.cs
index 6dc2362cc48e..062bc4656542 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Category.cs
@@ -175,7 +175,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
index f14bc54e1086..42c3b2eab18e 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -217,7 +217,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
index 62e448309893..15973b9e79fa 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -156,7 +156,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index 9f1ccf82a8cc..4d63d4298338 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -171,7 +171,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
index fad896e8c944..4b3d84af913d 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -213,7 +213,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -228,7 +227,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
index e3acfad07f60..e1e4d5cd40b2 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -152,7 +152,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index b4f039671025..6428222c29eb 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -162,7 +162,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -177,7 +176,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index de7a0f313660..747fbc7166f1 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -156,7 +156,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
index ef4fa867e899..bd6d6a6fd835 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -164,7 +164,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
index d83152dfa6b7..853e0f2271e3 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -164,7 +164,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Dog.cs
index e076e9c9525e..0d9da93f7e79 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Dog.cs
@@ -158,7 +158,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
index 2aa9413a0cfb..28b81cba6536 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
@@ -219,7 +219,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
index 3b32946bb5b9..c92e899b7d38 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -166,7 +166,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
index bb1e852f9e73..a1790a1a6ea3 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -318,7 +318,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
index 41c51e61b129..a5e46b184b61 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -857,7 +857,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -872,7 +871,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index 665b265fe8b5..8a2609aae4e2 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -171,7 +171,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/File.cs
index 159542d8f5fa..028476ef05b2 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/File.cs
@@ -157,7 +157,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index d9dd4b26705c..e7f69a24ef3d 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -179,7 +179,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Foo.cs
index a631d8e2d18a..8620b135a5d6 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Foo.cs
@@ -156,7 +156,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index 1bbcb2be323c..d0aa9bc4699a 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -156,7 +156,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
index 30fe9ab86ca4..8195715477ac 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -933,7 +933,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -948,7 +947,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
index d1a64f42f03b..8ad0d64c1be5 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
@@ -200,7 +200,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -215,7 +214,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
index 440fbefb11ac..7dc511018ade 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -174,7 +174,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
index 8d572546f439..4b122a792d91 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -205,7 +205,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index 7496855fdf41..17fc21130302 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -169,7 +169,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 7ed6d4990ae9..0f8656c85e8e 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -220,7 +220,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index 51b2a710bcc6..ffd2310b3213 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -153,7 +153,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -168,7 +167,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index c3b0e495f381..154e205c9166 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -318,7 +318,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 2329eea4f42b..60c9114c5791 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -164,7 +164,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/List.cs
index eef51661c9d7..2f275baa700f 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/List.cs
@@ -156,7 +156,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 0ca2db559ebe..ab45fc36b6c7 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -179,7 +179,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
index c4acb8c9c9bd..be313538ae71 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
@@ -237,7 +237,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
index fda445a67fcd..888d9392b1f6 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
@@ -291,7 +291,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -306,7 +305,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index 02b04b791e8e..bb4959ca5175 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -156,7 +156,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index 8b969a45ff95..b8fc88212401 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -251,7 +251,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -284,7 +283,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
index 40618643e1b0..706d7fc6b64c 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -156,7 +156,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index 88d0a9a352de..2367d300da72 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -247,7 +247,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -262,7 +261,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index ea319b6748e3..79dbf684c0cd 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -237,7 +237,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -252,7 +251,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
index 87e11e6999e3..121a21a30b23 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -156,7 +156,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
index d9971e56423d..aceb8d425b94 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -179,7 +179,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
index 429d211bd3f2..2d1e29add011 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -156,7 +156,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Name.cs
index 8d1f2aeb0db8..4517587d378c 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Name.cs
@@ -262,7 +262,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index 883b72447c75..c67599315467 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -171,7 +171,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
index dd795c454755..7004be254436 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -389,7 +389,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -404,7 +403,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index b3f079055bad..450d192600cb 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -154,7 +154,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
index dcbb486a9920..78d92ffdff79 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -213,7 +213,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
index f9c0e035e424..1ef25662ecf5 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -156,7 +156,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 1cf2977d186e..e71b7f7939c3 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -228,7 +228,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
index af0ceaa278b0..6a272e1b6e8a 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -143,7 +143,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -158,7 +157,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Order.cs
index 610909884b0f..21414cb6105d 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Order.cs
@@ -366,7 +366,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -381,7 +380,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
index 99b0abbaa0f5..c455c6d87241 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -202,7 +202,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
index a5c2a2f12ef1..e2eee3e04ee6 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -132,7 +132,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -152,7 +151,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Pet.cs
index 33a3d6dece38..b11ba88083fc 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Pet.cs
@@ -353,7 +353,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -368,7 +367,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Pig.cs
index 8922e573ab0f..d7cf2044a024 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Pig.cs
@@ -213,7 +213,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index befe6e02ec3a..75d26e5651e5 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -225,7 +225,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
index bb695bd00b79..eaf989412ccc 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -213,7 +213,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 8d7a57c59526..860e115ad157 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -152,7 +152,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index 3fbd226849a8..40b6be4e4165 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -217,7 +217,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
index fae1bd2034ce..91135420a586 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -2217,7 +2217,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -2232,7 +2231,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Result.cs
index 533d484093fd..b4d4a5929709 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Result.cs
@@ -205,7 +205,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Return.cs
index c44b71b7659b..7a33ca9ddb15 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Return.cs
@@ -214,7 +214,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -229,7 +228,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 455206911cd3..8a95a1148df5 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -179,7 +179,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 367680a1a300..2b94fa2026fd 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -156,7 +156,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index d8eac4a684ce..498f37a358c7 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -171,7 +171,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Shape.cs
index 49b8e42ab4f9..71a1d4cb0ec0 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Shape.cs
@@ -213,7 +213,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 3fce1535c904..356459fbd154 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -152,7 +152,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index fa998a6ecdd7..17df1392c391 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -213,7 +213,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 179b7c602d12..98336ddd3bbf 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -171,7 +171,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
index 51235500e5cc..ad59ab442459 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -179,7 +179,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Tag.cs
index 04b4e2a7feb8..e2213d2d75e1 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Tag.cs
@@ -179,7 +179,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index 77efc5ff13d4..bae68ea3d331 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index d58df26387cf..272a27134f49 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
index 39a686cd928e..3812a5f24758 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -261,7 +261,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -286,7 +285,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index 1e931bd94731..9c44f845a1ac 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -156,7 +156,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
index 5da58612b7ef..d8f5f794a076 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
@@ -204,7 +204,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
index 1ef3b35e8e9c..8a2e561cc3c2 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
@@ -237,7 +237,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
index ed4592635d34..9a4682473fb4 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -152,7 +152,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/User.cs
index 6371c3897a76..f0bc20b7756d 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/User.cs
@@ -405,7 +405,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -420,7 +419,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Whale.cs
index a862447465b1..e43fef0983cd 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Whale.cs
@@ -198,7 +198,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
index 4d6c01689db7..d501d9990668 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
@@ -262,7 +262,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index 44b24d2dad67..55b029c7fd90 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -229,7 +229,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -244,7 +243,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net4.8/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs b/samples/client/petstore/csharp/generichost/net4.8/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
index e398a5c02a61..bedee1b7b074 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
@@ -181,7 +181,6 @@ public override NowGet200Response Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nowGet200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NowGet200Response nowGet200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, NowGet200Response nowGet200Res
         /// <param name="writer"></param>
         /// <param name="nowGet200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NowGet200Response nowGet200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nowGet200Response.NowOption.IsSet && nowGet200Response.Now == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/AllOf/src/Org.OpenAPITools/Model/Adult.cs b/samples/client/petstore/csharp/generichost/net8/AllOf/src/Org.OpenAPITools/Model/Adult.cs
index e39d6528c83e..2d34b9b9c2f6 100644
--- a/samples/client/petstore/csharp/generichost/net8/AllOf/src/Org.OpenAPITools/Model/Adult.cs
+++ b/samples/client/petstore/csharp/generichost/net8/AllOf/src/Org.OpenAPITools/Model/Adult.cs
@@ -165,7 +165,6 @@ public override Adult Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="adult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Adult adult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, Adult adult, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="adult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Adult adult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (adult.ChildrenOption.IsSet && adult.Children == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/AllOf/src/Org.OpenAPITools/Model/Child.cs b/samples/client/petstore/csharp/generichost/net8/AllOf/src/Org.OpenAPITools/Model/Child.cs
index ca9e960e944e..a41528a8d19c 100644
--- a/samples/client/petstore/csharp/generichost/net8/AllOf/src/Org.OpenAPITools/Model/Child.cs
+++ b/samples/client/petstore/csharp/generichost/net8/AllOf/src/Org.OpenAPITools/Model/Child.cs
@@ -188,7 +188,6 @@ public override Child Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="child"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Child child, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -203,7 +202,6 @@ public override void Write(Utf8JsonWriter writer, Child child, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="child"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Child child, JsonSerializerOptions jsonSerializerOptions)
         {
             if (child.AgeOption.IsSet && child.Age == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/AllOf/src/Org.OpenAPITools/Model/Person.cs b/samples/client/petstore/csharp/generichost/net8/AllOf/src/Org.OpenAPITools/Model/Person.cs
index 59df30ef628a..a8f07fd13d7a 100644
--- a/samples/client/petstore/csharp/generichost/net8/AllOf/src/Org.OpenAPITools/Model/Person.cs
+++ b/samples/client/petstore/csharp/generichost/net8/AllOf/src/Org.OpenAPITools/Model/Person.cs
@@ -214,7 +214,6 @@ public override Person Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="person"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Person person, JsonSerializerOptions jsonSerializerOptions)
         {
             if (person is Adult adult){
@@ -239,7 +238,6 @@ public override void Write(Utf8JsonWriter writer, Person person, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="person"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Person person, JsonSerializerOptions jsonSerializerOptions)
         {
             if (person.FirstNameOption.IsSet && person.FirstName == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/AnyOf/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net8/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
index 62078fd772e4..f013ab58aff2 100644
--- a/samples/client/petstore/csharp/generichost/net8/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net8/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
@@ -158,7 +158,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/AnyOf/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net8/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
index 65f3b8595ee9..d2e3592a7114 100644
--- a/samples/client/petstore/csharp/generichost/net8/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net8/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
@@ -158,7 +158,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net8/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
index 70eeaef7e581..d283da3cd5f9 100644
--- a/samples/client/petstore/csharp/generichost/net8/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net8/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
@@ -214,7 +214,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -241,7 +240,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
index 2f7c7293e846..8cfcda99a1d7 100644
--- a/samples/client/petstore/csharp/generichost/net8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
@@ -157,7 +157,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
index df0d290f06ee..2be6e1b0501c 100644
--- a/samples/client/petstore/csharp/generichost/net8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
@@ -157,7 +157,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
index f3a5418e2170..ebcf62ab1443 100644
--- a/samples/client/petstore/csharp/generichost/net8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net8/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
@@ -213,7 +213,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Activity.cs
index 1c125e463c07..0baba23ccf52 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Activity.cs
@@ -156,7 +156,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index 434f74698e3b..38e288cbbe85 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -179,7 +179,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 482589a9e5fc..8b63e560e3c3 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -315,7 +315,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -330,7 +329,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Animal.cs
index 371595944d7b..2407c49d6e87 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Animal.cs
@@ -192,7 +192,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
index 57f797027126..af6d432b7f9f 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -202,7 +202,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Apple.cs
index 39231f0d396f..e9c5013017fa 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Apple.cs
@@ -232,7 +232,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
index 90b875f38347..00162b94b0a8 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -168,7 +168,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index 0deac145a207..c97d9f91e1ef 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 114ec6836190..20a8f6f9d088 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
index 07ecc2d530e9..4d27ed8f58a1 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -202,7 +202,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Banana.cs
index 01833655a60c..83737b32ed0d 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
index e51da17d64bb..8a4e8157fdc9 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -168,7 +168,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
index bf65c1513d18..d39d4142e341 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -152,7 +152,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
index 411ab5061c07..ed964f1dea99 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -272,7 +272,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -287,7 +286,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Cat.cs
index c5c9fa76f628..213afed1301d 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Cat.cs
@@ -158,7 +158,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Category.cs
index 4dfc61b1b3e3..adfb6bb5076a 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Category.cs
@@ -175,7 +175,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
index 0d9b46a978e5..0911d2e29a6e 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -158,7 +158,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
index 9d988f7b5984..eafd95906774 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -156,7 +156,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index 9f1ccf82a8cc..4d63d4298338 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -171,7 +171,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
index 4fb582c6484a..afe1a985cd86 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -154,7 +154,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
index e3acfad07f60..e1e4d5cd40b2 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -152,7 +152,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index cd989244f843..94feb680adba 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -162,7 +162,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -177,7 +176,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index 2a867bcc4298..4148a0a4efe9 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -156,7 +156,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
index 7726e8d5c4c2..3efe5f181740 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -157,7 +157,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
index bb2711891d54..80ee16e20fef 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -157,7 +157,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Dog.cs
index 67c58e4ae967..859e703612ae 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Dog.cs
@@ -158,7 +158,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
index 8e666f2d2867..0d9208ff5c4e 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
@@ -219,7 +219,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
index 3b32946bb5b9..c92e899b7d38 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -166,7 +166,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
index 79d09774978a..379d700af3f1 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -179,7 +179,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
index 02a65dd082b3..c5b98a8acf8b 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -333,7 +333,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -348,7 +347,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index 665b265fe8b5..8a2609aae4e2 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -171,7 +171,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/File.cs
index 6aa960a41e31..978be6bf3452 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/File.cs
@@ -157,7 +157,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index 82e18d1ef389..c3596b4f7d79 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -179,7 +179,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Foo.cs
index 42a29e21422b..ebfbcac41665 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Foo.cs
@@ -156,7 +156,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index 6c0af8514c82..07043466e6a3 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -156,7 +156,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
index fe45e4e488a8..0c14b6c3c122 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -933,7 +933,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -948,7 +947,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
index 5bd5f12a2603..42999757b8fa 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
@@ -200,7 +200,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -215,7 +214,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
index 440fbefb11ac..7dc511018ade 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -174,7 +174,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
index e7a346898f1e..3322eb6f7e15 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -205,7 +205,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index 7496855fdf41..17fc21130302 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -169,7 +169,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 7ed6d4990ae9..0f8656c85e8e 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -220,7 +220,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index caf9ff95f7e7..a1263c37991a 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -153,7 +153,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -168,7 +167,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index 38948d0c1ed3..b0087e834c23 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -318,7 +318,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 2329eea4f42b..60c9114c5791 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -164,7 +164,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/List.cs
index 65bc7f611171..55083fed4563 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/List.cs
@@ -156,7 +156,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 3800055a0760..c98cd6b621e8 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -179,7 +179,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
index c4acb8c9c9bd..be313538ae71 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
@@ -237,7 +237,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
index 6e40d4275163..97bb8da7ad8a 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
@@ -225,7 +225,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index 2814c36e50fa..1a9b032ad804 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -156,7 +156,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index 1adb2bf859d5..a644a5c3610f 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -251,7 +251,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -284,7 +283,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
index c3400316bbc5..def0526bc48f 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -156,7 +156,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index 88d0a9a352de..2367d300da72 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -247,7 +247,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -262,7 +261,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index cc59be1b34d9..d967818f84dd 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -237,7 +237,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -252,7 +251,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
index 2843e40b0049..3bc3896d56ff 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -156,7 +156,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
index 38197b7ab613..4073dbdb33e1 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -179,7 +179,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
index 66179ce2bd9c..8fc27e9fd8a5 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -156,7 +156,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Name.cs
index 8d2d529f0503..7f925e162542 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Name.cs
@@ -262,7 +262,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index 883b72447c75..c67599315467 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -171,7 +171,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
index 77edeb3e45e0..393c046ebc98 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -389,7 +389,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -404,7 +403,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index 96f3e36ecec2..b95f5fdcd5f3 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -154,7 +154,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
index dcbb486a9920..78d92ffdff79 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -213,7 +213,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
index 0e5d10a95ada..2c65bf4c6c90 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -156,7 +156,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 9ecaccc0bb1d..f660f8b075be 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -228,7 +228,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
index af0ceaa278b0..6a272e1b6e8a 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -143,7 +143,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -158,7 +157,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Order.cs
index 32ecad789af6..75b9e6e83497 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Order.cs
@@ -277,7 +277,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -292,7 +291,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
index 5e4cea2ad890..3fcb5458c381 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -202,7 +202,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
index a5c2a2f12ef1..e2eee3e04ee6 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -132,7 +132,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -152,7 +151,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Pet.cs
index bad8f48861c7..58d614666577 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Pet.cs
@@ -264,7 +264,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -279,7 +278,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Pig.cs
index 8922e573ab0f..d7cf2044a024 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Pig.cs
@@ -213,7 +213,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index befe6e02ec3a..75d26e5651e5 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -225,7 +225,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
index bb695bd00b79..eaf989412ccc 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -213,7 +213,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 8d7a57c59526..860e115ad157 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -152,7 +152,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index edcaca516e33..e91a9b116ec8 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -217,7 +217,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
index 2007d33c8f9b..07d56ec87b26 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -1035,7 +1035,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -1050,7 +1049,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Result.cs
index 62bc561934d5..d2ca3e9ac752 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Result.cs
@@ -205,7 +205,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Return.cs
index a9c51b8a1ec6..7d3365117205 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Return.cs
@@ -214,7 +214,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -229,7 +228,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 5e3a5137cb38..821bafb5c74b 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -179,7 +179,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 2b804f7bd98c..e399e3ef9755 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -156,7 +156,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index d8eac4a684ce..498f37a358c7 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -171,7 +171,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Shape.cs
index 49b8e42ab4f9..71a1d4cb0ec0 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Shape.cs
@@ -213,7 +213,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 3fce1535c904..356459fbd154 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -152,7 +152,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index fa998a6ecdd7..17df1392c391 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -213,7 +213,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 179b7c602d12..98336ddd3bbf 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -171,7 +171,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
index c24374910fa1..ebbf47e9c5f1 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -179,7 +179,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Tag.cs
index 1106d4a4e7ee..ef8ec55b20d0 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Tag.cs
@@ -179,7 +179,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index 36a4085251e4..fbdb0cd4a585 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index e6726b227d81..db4b142b687a 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
index 16abb0fa533d..91b0e0dfec84 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -188,7 +188,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index a6ad15da33a2..3852ce1829df 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -156,7 +156,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
index beb1ab579d11..a7c1f97f6c8b 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
@@ -204,7 +204,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
index 1ef3b35e8e9c..8a2e561cc3c2 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
@@ -237,7 +237,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
index ed4592635d34..9a4682473fb4 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -152,7 +152,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/User.cs
index af6279d66395..4ffb503161f7 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/User.cs
@@ -405,7 +405,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -420,7 +419,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Whale.cs
index 5d5e1b5421b6..087642453d9b 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Whale.cs
@@ -198,7 +198,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
index 69ee715e38be..1f3158514d78 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
@@ -175,7 +175,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index ee7e3eecf739..262803184890 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -156,7 +156,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Activity.cs
index ca8cfb1a062d..68e6556fe628 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Activity.cs
@@ -158,7 +158,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index 4cb0bfbebdc6..8e4f68052139 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -181,7 +181,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 9e6732bcbc10..18942823ef58 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -317,7 +317,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -332,7 +331,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Animal.cs
index 457d433df3bb..ca288e27e247 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Animal.cs
@@ -194,7 +194,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ApiResponse.cs
index eae8aa1c7bfd..429966bbadbd 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -204,7 +204,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Apple.cs
index 9627141cf147..beb6f775284d 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Apple.cs
@@ -234,7 +234,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -249,7 +248,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/AppleReq.cs
index f21dcb8014b1..bd54b3a2f52e 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -170,7 +170,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -185,7 +184,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index 522624a5ce1d..4c069dc4ce82 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -158,7 +158,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 67bbfe87647d..e8675a5a80a1 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -158,7 +158,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayTest.cs
index a01ecacdd72b..43d194bb8b48 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -204,7 +204,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Banana.cs
index ca7e413ceeb6..2d6ae93660d9 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Banana.cs
@@ -158,7 +158,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/BananaReq.cs
index 96a98e9e2f69..3d0a61033423 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -170,7 +170,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -185,7 +184,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/BasquePig.cs
index 001ce4a14655..1ebe60f765ac 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -154,7 +154,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Capitalization.cs
index 85b6baa2d754..8fd8c1a51c41 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -274,7 +274,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -289,7 +288,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Cat.cs
index 05ee372584c4..c7f82b01b78a 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Cat.cs
@@ -160,7 +160,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -175,7 +174,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Category.cs
index 63a943b1ca32..edd7f8dacb8b 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Category.cs
@@ -177,7 +177,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -192,7 +191,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ChildCat.cs
index 506651c5b421..6785fe96f423 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -219,7 +219,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ClassModel.cs
index ba22c38d013f..69e62afafe0c 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -158,7 +158,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index bda6577d02c2..f1bad4d77735 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -173,7 +173,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/CopyActivity.cs
index 1b77996e10c2..77bc89ec64e9 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -215,7 +215,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -230,7 +229,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/DanishPig.cs
index fb8adbaeb62f..8bb1b45865ba 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -154,7 +154,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index bde9eedbf899..d37ac2f6bd54 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -164,7 +164,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index edf3580a5006..f731dd97b377 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -158,7 +158,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant1.cs
index d0913992d157..3fb1c492fd07 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -166,7 +166,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -181,7 +180,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant2.cs
index 5cd06903b366..89e5e80bbf40 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -166,7 +166,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -181,7 +180,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Dog.cs
index d138df0d6905..41b21e4f8645 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Dog.cs
@@ -160,7 +160,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -175,7 +174,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Drawing.cs
index 678e0ed5419d..7f00e7b6b074 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Drawing.cs
@@ -221,7 +221,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -236,7 +235,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EntityBase.cs
index 4c21cc792a55..1bb43e6a8ee3 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -168,7 +168,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumArrays.cs
index 087a026beaaf..c8f09af033bd 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -320,7 +320,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -335,7 +334,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumTest.cs
index 2eefc1ef6ba2..915278e2837c 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -859,7 +859,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -874,7 +873,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index c30ec912d755..87ed595f4a42 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -173,7 +173,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/File.cs
index d5eb5d549ea6..41c218eaf072 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/File.cs
@@ -159,7 +159,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index 7e388fa26fa2..11f2f7e2ebb7 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -181,7 +181,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Foo.cs
index f410f110f43c..d6a71b2f68e6 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Foo.cs
@@ -158,7 +158,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index cfc038f14e58..23310da4d01b 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -158,7 +158,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs
index 3c0a18995dc9..b45123220298 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -935,7 +935,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -950,7 +949,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Fruit.cs
index 363808c467e3..1cb37dc50b07 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Fruit.cs
@@ -202,7 +202,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FruitReq.cs
index af1802aab1a9..13e9d1a5b6bf 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -176,7 +176,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -191,7 +190,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/GmFruit.cs
index 57ccb03380ab..87badf71a4a9 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -207,7 +207,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index b5365a68d6ba..001d612fc862 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -171,7 +171,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 103d547b76d2..7dfecca3e4c2 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -222,7 +222,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -237,7 +236,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index 04f36b46808b..68c52ea737b4 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -155,7 +155,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index fc3ff4a253e9..c1cb9bc77c58 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -320,7 +320,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -335,7 +334,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 466c62aea797..5b6eed7047ce 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -166,7 +166,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -181,7 +180,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/List.cs
index 51f16d706697..64f7d9f90a6c 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/List.cs
@@ -158,7 +158,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 91d2b5fb1c3c..4113e1c396ec 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -181,7 +181,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Mammal.cs
index 05a5e5d55604..8dae459101ba 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Mammal.cs
@@ -239,7 +239,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -272,7 +271,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MapTest.cs
index c232c64f65da..03fef3b9ce60 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MapTest.cs
@@ -293,7 +293,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -308,7 +307,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index f5f988259cdf..18da3c77dd48 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -158,7 +158,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index acbb49099bbd..f2ba03f1e0d4 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -253,7 +253,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -286,7 +285,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOf.cs
index 03581cdcfd40..9d674926e216 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -158,7 +158,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index bac36e3cbe70..1a42741423ae 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -249,7 +249,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -264,7 +263,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index 840ed7657912..fa2e0694bb24 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -239,7 +239,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -254,7 +253,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedSubId.cs
index b385cf0dd9ee..f036240b579b 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -158,7 +158,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Model200Response.cs
index bf0f3e968c36..e4ae282ec9b6 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -181,7 +181,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ModelClient.cs
index 4b654356987a..d0bd57ad9e25 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -158,7 +158,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Name.cs
index 73f861dcc6cc..5ed720c3ccc4 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Name.cs
@@ -264,7 +264,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -279,7 +278,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index c8a57aa7547f..0c5df34a03d3 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -173,7 +173,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableClass.cs
index 96cbd8c1fcca..f6174aea7208 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -391,7 +391,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -406,7 +405,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index 068a79631f0d..09d2f81739a0 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -156,7 +156,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableShape.cs
index f8120a285900..765b17c09b94 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -215,7 +215,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NumberOnly.cs
index 25105240d38d..9a7e8b24d204 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -158,7 +158,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 5b4319dbc5ef..978db5f11c6e 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -230,7 +230,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -245,7 +244,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/OneOfString.cs
index e03117058c32..be2cec490d8f 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -145,7 +145,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -160,7 +159,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Order.cs
index 52073abb4d53..d286ac247aeb 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Order.cs
@@ -368,7 +368,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -383,7 +382,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/OuterComposite.cs
index fe4f0786dbaf..3eac7fb0efdf 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -204,7 +204,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ParentPet.cs
index 8d83f726bb64..4aa68888a6b7 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -134,7 +134,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -154,7 +153,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Pet.cs
index 84a01f8eeae3..1607391d0075 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Pet.cs
@@ -355,7 +355,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -370,7 +369,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Pig.cs
index fa25f86f0451..e5c2b80f4295 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Pig.cs
@@ -215,7 +215,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index d33ed7654562..1caaf6f6b92c 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -227,7 +227,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Quadrilateral.cs
index f3ef0fda6d96..52b8cdfb1355 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -215,7 +215,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 56c9dfeac6ba..4596a6492745 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -154,7 +154,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index 72ccb4531a7d..8978d99739e1 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -219,7 +219,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/RequiredClass.cs
index 186dfc468ead..814f7af2f00d 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -2219,7 +2219,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -2234,7 +2233,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Result.cs
index fe06dd89d4c9..33001f356a9b 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Result.cs
@@ -207,7 +207,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -222,7 +221,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Return.cs
index 12c679cd5146..86dbc4c2a190 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Return.cs
@@ -216,7 +216,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -231,7 +230,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 056240574ca5..428fb58213c1 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -181,7 +181,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 264d24e0505b..8d965d718002 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -158,7 +158,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index fd0f1d1bcba9..f8f7b31fde34 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -173,7 +173,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Shape.cs
index 9946323dcdbe..76cdea3c0f13 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Shape.cs
@@ -215,7 +215,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 4404aab7f1b1..b014ebce7804 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -154,7 +154,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index 665942a5f44f..ab53a15de52d 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -215,7 +215,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index c0ba8c4782be..31e83cc8e021 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -173,7 +173,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/SpecialModelName.cs
index 026f410268fe..781119dc84e7 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -181,7 +181,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Tag.cs
index 0702b6e968f2..f12bda6458a9 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Tag.cs
@@ -181,7 +181,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index 61b664997f85..21e6e3486671 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -158,7 +158,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index 54b592a8f5a4..d58357a22252 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -158,7 +158,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestDescendants.cs
index e75e8fbaeb7c..927eb828c42c 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -263,7 +263,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -288,7 +287,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index 3e8d19707387..b214297afab7 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -158,7 +158,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestResult.cs
index f8a9abc06052..64f9ac9c690b 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TestResult.cs
@@ -206,7 +206,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -221,7 +220,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Triangle.cs
index c3d21195968a..039a2351c3f7 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Triangle.cs
@@ -239,7 +239,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -272,7 +271,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TriangleInterface.cs
index 358a0e2aa20c..e2fc8b97c357 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -154,7 +154,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/User.cs
index ce498d7d327c..b3fe51551553 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/User.cs
@@ -407,7 +407,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -422,7 +421,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Whale.cs
index d0099756b15c..2fad1c319e4b 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Whale.cs
@@ -200,7 +200,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -215,7 +214,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Zebra.cs
index fae5958200e6..31b6a8d4d271 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/Zebra.cs
@@ -264,7 +264,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -279,7 +278,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index cf5d2bcb6a8f..e4137d8207e7 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -231,7 +231,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -246,7 +245,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Apple.cs
index 62078fd772e4..f013ab58aff2 100644
--- a/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Apple.cs
@@ -158,7 +158,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Banana.cs
index 65f3b8595ee9..d2e3592a7114 100644
--- a/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Banana.cs
@@ -158,7 +158,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
index 995c0a87ad8b..3bb11c348e51 100644
--- a/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
@@ -233,7 +233,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -248,7 +247,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Orange.cs b/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Orange.cs
index eea08050f18f..8895e46f2556 100644
--- a/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Orange.cs
+++ b/samples/client/petstore/csharp/generichost/net8/OneOf/src/Org.OpenAPITools/Model/Orange.cs
@@ -158,7 +158,6 @@ public override Orange Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="orange"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Orange orange, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Orange orange, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="orange"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Orange orange, JsonSerializerOptions jsonSerializerOptions)
         {
             if (orange.SweetOption.IsSet && orange.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Activity.cs
index 1c125e463c07..0baba23ccf52 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Activity.cs
@@ -156,7 +156,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index 434f74698e3b..38e288cbbe85 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -179,7 +179,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 482589a9e5fc..8b63e560e3c3 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -315,7 +315,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -330,7 +329,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Animal.cs
index 371595944d7b..2407c49d6e87 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Animal.cs
@@ -192,7 +192,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
index 57f797027126..af6d432b7f9f 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -202,7 +202,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Apple.cs
index 39231f0d396f..e9c5013017fa 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Apple.cs
@@ -232,7 +232,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
index 90b875f38347..00162b94b0a8 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -168,7 +168,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index 0deac145a207..c97d9f91e1ef 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 114ec6836190..20a8f6f9d088 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
index 07ecc2d530e9..4d27ed8f58a1 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -202,7 +202,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Banana.cs
index 01833655a60c..83737b32ed0d 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
index e51da17d64bb..8a4e8157fdc9 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -168,7 +168,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
index bf65c1513d18..d39d4142e341 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -152,7 +152,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
index 411ab5061c07..ed964f1dea99 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -272,7 +272,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -287,7 +286,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Cat.cs
index c5c9fa76f628..213afed1301d 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Cat.cs
@@ -158,7 +158,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Category.cs
index 4dfc61b1b3e3..adfb6bb5076a 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Category.cs
@@ -175,7 +175,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
index fa6b06132a0c..d2c850231eba 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -217,7 +217,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
index 9d988f7b5984..eafd95906774 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -156,7 +156,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index 9f1ccf82a8cc..4d63d4298338 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -171,7 +171,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
index fad896e8c944..4b3d84af913d 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -213,7 +213,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -228,7 +227,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
index e3acfad07f60..e1e4d5cd40b2 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -152,7 +152,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index cd989244f843..94feb680adba 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -162,7 +162,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -177,7 +176,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index 2a867bcc4298..4148a0a4efe9 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -156,7 +156,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
index ef4fa867e899..bd6d6a6fd835 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -164,7 +164,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
index d83152dfa6b7..853e0f2271e3 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -164,7 +164,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Dog.cs
index 67c58e4ae967..859e703612ae 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Dog.cs
@@ -158,7 +158,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
index 8e666f2d2867..0d9208ff5c4e 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
@@ -219,7 +219,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
index 3b32946bb5b9..c92e899b7d38 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -166,7 +166,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
index 11f9cab173bd..cd2dcaa56797 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -318,7 +318,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
index bd7ccf486fc3..92ecefeb9edd 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -857,7 +857,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -872,7 +871,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index 665b265fe8b5..8a2609aae4e2 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -171,7 +171,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/File.cs
index 6aa960a41e31..978be6bf3452 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/File.cs
@@ -157,7 +157,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index 82e18d1ef389..c3596b4f7d79 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -179,7 +179,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Foo.cs
index 42a29e21422b..ebfbcac41665 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Foo.cs
@@ -156,7 +156,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index 6c0af8514c82..07043466e6a3 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -156,7 +156,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
index fe45e4e488a8..0c14b6c3c122 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -933,7 +933,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -948,7 +947,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
index 5bd5f12a2603..42999757b8fa 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
@@ -200,7 +200,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -215,7 +214,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
index 440fbefb11ac..7dc511018ade 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -174,7 +174,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
index e7a346898f1e..3322eb6f7e15 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -205,7 +205,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index 7496855fdf41..17fc21130302 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -169,7 +169,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 7ed6d4990ae9..0f8656c85e8e 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -220,7 +220,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index caf9ff95f7e7..a1263c37991a 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -153,7 +153,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -168,7 +167,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index 38948d0c1ed3..b0087e834c23 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -318,7 +318,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 2329eea4f42b..60c9114c5791 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -164,7 +164,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/List.cs
index 65bc7f611171..55083fed4563 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/List.cs
@@ -156,7 +156,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 3800055a0760..c98cd6b621e8 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -179,7 +179,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
index c4acb8c9c9bd..be313538ae71 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
@@ -237,7 +237,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
index 831d190dfa8d..b5299c925ca4 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
@@ -291,7 +291,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -306,7 +305,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index 2814c36e50fa..1a9b032ad804 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -156,7 +156,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index 1adb2bf859d5..a644a5c3610f 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -251,7 +251,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -284,7 +283,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
index c3400316bbc5..def0526bc48f 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -156,7 +156,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index 88d0a9a352de..2367d300da72 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -247,7 +247,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -262,7 +261,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index cc59be1b34d9..d967818f84dd 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -237,7 +237,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -252,7 +251,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
index 2843e40b0049..3bc3896d56ff 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -156,7 +156,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
index 38197b7ab613..4073dbdb33e1 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -179,7 +179,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
index 66179ce2bd9c..8fc27e9fd8a5 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -156,7 +156,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Name.cs
index 8d2d529f0503..7f925e162542 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Name.cs
@@ -262,7 +262,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index 883b72447c75..c67599315467 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -171,7 +171,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
index 77edeb3e45e0..393c046ebc98 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -389,7 +389,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -404,7 +403,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index 96f3e36ecec2..b95f5fdcd5f3 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -154,7 +154,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
index dcbb486a9920..78d92ffdff79 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -213,7 +213,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
index 0e5d10a95ada..2c65bf4c6c90 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -156,7 +156,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 9ecaccc0bb1d..f660f8b075be 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -228,7 +228,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
index af0ceaa278b0..6a272e1b6e8a 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -143,7 +143,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -158,7 +157,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Order.cs
index f678fe600e84..fbcb9c4af607 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Order.cs
@@ -366,7 +366,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -381,7 +380,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
index 5e4cea2ad890..3fcb5458c381 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -202,7 +202,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
index a5c2a2f12ef1..e2eee3e04ee6 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -132,7 +132,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -152,7 +151,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Pet.cs
index 599d7d612422..f3b9599a1325 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Pet.cs
@@ -353,7 +353,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -368,7 +367,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Pig.cs
index 8922e573ab0f..d7cf2044a024 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Pig.cs
@@ -213,7 +213,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index befe6e02ec3a..75d26e5651e5 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -225,7 +225,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
index bb695bd00b79..eaf989412ccc 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -213,7 +213,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 8d7a57c59526..860e115ad157 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -152,7 +152,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index edcaca516e33..e91a9b116ec8 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -217,7 +217,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
index 779f1eb4f318..54fc15dbf5d7 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -2217,7 +2217,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -2232,7 +2231,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Result.cs
index 62bc561934d5..d2ca3e9ac752 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Result.cs
@@ -205,7 +205,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Return.cs
index a9c51b8a1ec6..7d3365117205 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Return.cs
@@ -214,7 +214,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -229,7 +228,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 5e3a5137cb38..821bafb5c74b 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -179,7 +179,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 2b804f7bd98c..e399e3ef9755 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -156,7 +156,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index d8eac4a684ce..498f37a358c7 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -171,7 +171,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Shape.cs
index 49b8e42ab4f9..71a1d4cb0ec0 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Shape.cs
@@ -213,7 +213,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 3fce1535c904..356459fbd154 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -152,7 +152,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index fa998a6ecdd7..17df1392c391 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -213,7 +213,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 179b7c602d12..98336ddd3bbf 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -171,7 +171,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
index c24374910fa1..ebbf47e9c5f1 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -179,7 +179,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Tag.cs
index 1106d4a4e7ee..ef8ec55b20d0 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Tag.cs
@@ -179,7 +179,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index 36a4085251e4..fbdb0cd4a585 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index e6726b227d81..db4b142b687a 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
index 39a686cd928e..3812a5f24758 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -261,7 +261,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -286,7 +285,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index a6ad15da33a2..3852ce1829df 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -156,7 +156,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
index beb1ab579d11..a7c1f97f6c8b 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
@@ -204,7 +204,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
index 1ef3b35e8e9c..8a2e561cc3c2 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
@@ -237,7 +237,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
index ed4592635d34..9a4682473fb4 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -152,7 +152,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/User.cs
index af6279d66395..4ffb503161f7 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/User.cs
@@ -405,7 +405,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -420,7 +419,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Whale.cs
index 5d5e1b5421b6..087642453d9b 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Whale.cs
@@ -198,7 +198,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
index 351e31c7bec1..c2944781b24a 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
@@ -262,7 +262,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index 2614b6be623f..959d2b03efe1 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -229,7 +229,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -244,7 +243,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Activity.cs
index 4e8cdbade02e..46121c8de25f 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Activity.cs
@@ -159,7 +159,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index ea78057f2157..5beaf95a3b55 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -182,7 +182,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 033acfcc2f86..b5322aa98c71 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -318,7 +318,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Animal.cs
index f17ca142e62e..a71f0e5513d5 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Animal.cs
@@ -195,7 +195,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ApiResponse.cs
index 7fe2badda61a..ccd192b48a91 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -205,7 +205,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Apple.cs
index 28e983f8c1f7..43c476af80c8 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Apple.cs
@@ -235,7 +235,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -250,7 +249,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/AppleReq.cs
index 6bf3eafa9dde..0a0d2c56ffe1 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -171,7 +171,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index 31d9c34c847b..0a84f33c9a4c 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -159,7 +159,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 162b12039c99..26752a0cd36a 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -159,7 +159,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ArrayTest.cs
index 554aabd49342..944aa9287a73 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -205,7 +205,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Banana.cs
index 67d43b51ee6f..572e40e82582 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Banana.cs
@@ -159,7 +159,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/BananaReq.cs
index 1be1967bbf30..bd71081f4354 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -171,7 +171,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/BasquePig.cs
index a0e29952cf6b..b291a9e0675e 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -155,7 +155,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Capitalization.cs
index 88ffeedd57e2..0aff545dd56c 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -275,7 +275,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -290,7 +289,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Cat.cs
index e4b3cccaac9a..90b25450e6ff 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Cat.cs
@@ -161,7 +161,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -176,7 +175,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Category.cs
index 1201a731b6e7..a0cddb6d5d49 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Category.cs
@@ -178,7 +178,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -193,7 +192,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ChildCat.cs
index 15382bf6aba3..c2e9df55724f 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -220,7 +220,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ClassModel.cs
index b90a63c9080f..1c0e9bb09aaf 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -159,7 +159,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index ce569aa8a223..a45a9e372eaf 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -174,7 +174,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/CopyActivity.cs
index 6ea89bfa46cf..8e4152bbea1d 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -216,7 +216,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -231,7 +230,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/DanishPig.cs
index c75866f77a37..56be838031d7 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -155,7 +155,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index e6886061ce16..18a563f9beed 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -165,7 +165,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index f38c40855cf9..037467af4fd6 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -159,7 +159,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Descendant1.cs
index 4b36c6fb200e..c6346891487e 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -167,7 +167,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -182,7 +181,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Descendant2.cs
index 4060b8ea853e..226f543f4ad3 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -167,7 +167,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -182,7 +181,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Dog.cs
index 16dc36126f60..c09b5894cde4 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Dog.cs
@@ -161,7 +161,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -176,7 +175,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Drawing.cs
index 0204ffd11b67..77792593add9 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Drawing.cs
@@ -222,7 +222,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -237,7 +236,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EntityBase.cs
index 18696b473eaa..bf2eabddedc5 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -169,7 +169,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EnumArrays.cs
index fb02ff8e8d41..58a45a6a87cb 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -321,7 +321,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -336,7 +335,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EnumTest.cs
index 4e67307c599d..8f217f08d673 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -860,7 +860,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -875,7 +874,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index b3efb43120f2..c713c15e8e75 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -174,7 +174,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/File.cs
index 5b777b632272..d63a071c30ae 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/File.cs
@@ -160,7 +160,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -175,7 +174,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index c77f93cc5dda..667548469483 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -182,7 +182,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Foo.cs
index 9bc633fb1347..189b130ccc4d 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Foo.cs
@@ -159,7 +159,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index ed0f645778c7..c8c5fa2a5b55 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -159,7 +159,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs
index 5e2b0098cd89..b6ad544b330d 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -936,7 +936,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -951,7 +950,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Fruit.cs
index 9bef81f9165b..5e9fa4564a89 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Fruit.cs
@@ -203,7 +203,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -218,7 +217,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FruitReq.cs
index ed5e1e35c028..40a9aaf3e761 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -177,7 +177,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -192,7 +191,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/GmFruit.cs
index 319c972914d5..3781db9127c1 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -208,7 +208,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index a561b03d9a80..ae9897dd949a 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -172,7 +172,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index ef6d3ab7c298..267a9bd7253d 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -223,7 +223,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -238,7 +237,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index 78c8b2222aa8..eb10f70fc159 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -156,7 +156,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index 8428d73f1f4d..a5a551d58f03 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -321,7 +321,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -336,7 +335,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 76f823c04feb..18af0f861459 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -167,7 +167,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -182,7 +181,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/List.cs
index d2428a617391..664fa067d24c 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/List.cs
@@ -159,7 +159,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 5089070ed31b..fbd2d2eb5273 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -182,7 +182,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Mammal.cs
index 02f86812548c..6fd97f187117 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Mammal.cs
@@ -240,7 +240,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -273,7 +272,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MapTest.cs
index be29a234a40f..15717778c839 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MapTest.cs
@@ -294,7 +294,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -309,7 +308,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index b161e262d82e..e6d8bd647e7a 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -159,7 +159,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index 230475ed0347..b88a7e3c06af 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -254,7 +254,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -287,7 +286,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOf.cs
index 88bbc61728d0..0cf6230eb6bf 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -159,7 +159,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index ca6ca27187dd..056b2b994649 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -250,7 +250,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -265,7 +264,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index 00c741fe8230..1f5ee59df1e9 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -240,7 +240,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -255,7 +254,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedSubId.cs
index e7b51c028c54..2548f40af76e 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -159,7 +159,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Model200Response.cs
index 6f113f248688..bac80386c438 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -182,7 +182,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ModelClient.cs
index aa8b7f0e664c..3058a0066248 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -159,7 +159,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Name.cs
index a57af8984382..3ce1f23d1746 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Name.cs
@@ -265,7 +265,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -280,7 +279,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index 49af3bbc0011..3db174a72bf7 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -174,7 +174,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NullableClass.cs
index 4c37377b8b56..dbb1effb285b 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -392,7 +392,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -407,7 +406,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index 316f63feb3c1..7aa2022a3dbe 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -157,7 +157,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NullableShape.cs
index 650fa75d3470..b094f730ebc4 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -216,7 +216,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NumberOnly.cs
index f3b39743e06c..d8a6197c7490 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -159,7 +159,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 181ca33013a1..a6c1d895cfda 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -231,7 +231,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -246,7 +245,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/OneOfString.cs
index 4a46f52ead3a..8bca9c113496 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -146,7 +146,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -161,7 +160,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Order.cs
index 2a4479bb6892..8006cfbce439 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Order.cs
@@ -369,7 +369,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -384,7 +383,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/OuterComposite.cs
index 611702e0a740..5e1a645aa922 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -205,7 +205,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ParentPet.cs
index b5a9f269d06a..2206723bdf42 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -135,7 +135,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -155,7 +154,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Pet.cs
index 2f834d4ad27e..71c2b601e315 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Pet.cs
@@ -356,7 +356,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -371,7 +370,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Pig.cs
index 4e3ca083f0e0..b3abfe311cca 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Pig.cs
@@ -216,7 +216,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index d3e959b95a67..e0baef9347bc 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -228,7 +228,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Quadrilateral.cs
index 07a6da257acc..850de679ebf5 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -216,7 +216,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 6da445395d9b..03646d05416b 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -155,7 +155,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index 721f02f2e915..f1ba87a2635c 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -220,7 +220,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/RequiredClass.cs
index b876a0dfebb4..e7e2d194acb0 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -2220,7 +2220,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -2235,7 +2234,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Result.cs
index bbeabbb4a288..7724cc47e7e3 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Result.cs
@@ -208,7 +208,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -223,7 +222,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Return.cs
index a939792e9831..e0bbb6a90515 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Return.cs
@@ -217,7 +217,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 1dd908069a7d..c227978f4c94 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -182,7 +182,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index af7998bdab26..95e96c442bb9 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -159,7 +159,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index fd5f5a3f6e69..538857e10d49 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -174,7 +174,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Shape.cs
index 2a1135dcf33c..92a7d9bf8462 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Shape.cs
@@ -216,7 +216,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 2d1a8d444eba..78ba8e07009a 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -155,7 +155,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index 4ff352dcff8f..f8350930f14a 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -216,7 +216,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 7de7001d7e74..964f5b3ed00e 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -174,7 +174,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/SpecialModelName.cs
index 5d8916e01495..0e3972e37a16 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -182,7 +182,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Tag.cs
index 9d3e01cfe13f..56424996d5c0 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Tag.cs
@@ -182,7 +182,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index a77e39fb335a..1e54eafcfa2b 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -159,7 +159,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index fa3bdcca712c..64b45c2a1d34 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -159,7 +159,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestDescendants.cs
index c55f09c24ad7..90d78d2e066f 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -264,7 +264,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -289,7 +288,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index 79f0d4ead06e..bb87cf541324 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -159,7 +159,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestResult.cs
index ed2c4f9b1ee4..4205752aa4d2 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TestResult.cs
@@ -207,7 +207,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -222,7 +221,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Triangle.cs
index a136888f90d4..399994e28dc2 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Triangle.cs
@@ -240,7 +240,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -273,7 +272,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TriangleInterface.cs
index bacb230b71b7..1892a822d865 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -155,7 +155,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/User.cs
index 66da53d722ec..04daff1ed7be 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/User.cs
@@ -408,7 +408,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -423,7 +422,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Whale.cs
index 29ec64728866..29bde9dd1ac8 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Whale.cs
@@ -201,7 +201,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -216,7 +215,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Zebra.cs
index fa37280bcd17..f60c1b215254 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/Zebra.cs
@@ -265,7 +265,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -280,7 +279,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index 184ee862a155..f0e86093b153 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -232,7 +232,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net8/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs b/samples/client/petstore/csharp/generichost/net8/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
index 43cfd5298ad3..a6a24e6491c7 100644
--- a/samples/client/petstore/csharp/generichost/net8/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net8/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
@@ -183,7 +183,6 @@ public override NowGet200Response Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nowGet200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NowGet200Response nowGet200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -198,7 +197,6 @@ public override void Write(Utf8JsonWriter writer, NowGet200Response nowGet200Res
         /// <param name="writer"></param>
         /// <param name="nowGet200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NowGet200Response nowGet200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nowGet200Response.NowOption.IsSet && nowGet200Response.Now == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/AllOf/src/Org.OpenAPITools/Model/Adult.cs b/samples/client/petstore/csharp/generichost/net9/AllOf/src/Org.OpenAPITools/Model/Adult.cs
index e39d6528c83e..2d34b9b9c2f6 100644
--- a/samples/client/petstore/csharp/generichost/net9/AllOf/src/Org.OpenAPITools/Model/Adult.cs
+++ b/samples/client/petstore/csharp/generichost/net9/AllOf/src/Org.OpenAPITools/Model/Adult.cs
@@ -165,7 +165,6 @@ public override Adult Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="adult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Adult adult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, Adult adult, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="adult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Adult adult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (adult.ChildrenOption.IsSet && adult.Children == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/AllOf/src/Org.OpenAPITools/Model/Child.cs b/samples/client/petstore/csharp/generichost/net9/AllOf/src/Org.OpenAPITools/Model/Child.cs
index ca9e960e944e..a41528a8d19c 100644
--- a/samples/client/petstore/csharp/generichost/net9/AllOf/src/Org.OpenAPITools/Model/Child.cs
+++ b/samples/client/petstore/csharp/generichost/net9/AllOf/src/Org.OpenAPITools/Model/Child.cs
@@ -188,7 +188,6 @@ public override Child Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="child"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Child child, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -203,7 +202,6 @@ public override void Write(Utf8JsonWriter writer, Child child, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="child"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Child child, JsonSerializerOptions jsonSerializerOptions)
         {
             if (child.AgeOption.IsSet && child.Age == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/AllOf/src/Org.OpenAPITools/Model/Person.cs b/samples/client/petstore/csharp/generichost/net9/AllOf/src/Org.OpenAPITools/Model/Person.cs
index 59df30ef628a..a8f07fd13d7a 100644
--- a/samples/client/petstore/csharp/generichost/net9/AllOf/src/Org.OpenAPITools/Model/Person.cs
+++ b/samples/client/petstore/csharp/generichost/net9/AllOf/src/Org.OpenAPITools/Model/Person.cs
@@ -214,7 +214,6 @@ public override Person Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="person"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Person person, JsonSerializerOptions jsonSerializerOptions)
         {
             if (person is Adult adult){
@@ -239,7 +238,6 @@ public override void Write(Utf8JsonWriter writer, Person person, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="person"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Person person, JsonSerializerOptions jsonSerializerOptions)
         {
             if (person.FirstNameOption.IsSet && person.FirstName == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/AnyOf/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net9/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
index 62078fd772e4..f013ab58aff2 100644
--- a/samples/client/petstore/csharp/generichost/net9/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net9/AnyOf/src/Org.OpenAPITools/Model/Apple.cs
@@ -158,7 +158,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/AnyOf/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net9/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
index 65f3b8595ee9..d2e3592a7114 100644
--- a/samples/client/petstore/csharp/generichost/net9/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net9/AnyOf/src/Org.OpenAPITools/Model/Banana.cs
@@ -158,7 +158,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net9/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
index 70eeaef7e581..d283da3cd5f9 100644
--- a/samples/client/petstore/csharp/generichost/net9/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net9/AnyOf/src/Org.OpenAPITools/Model/Fruit.cs
@@ -214,7 +214,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -241,7 +240,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net9/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
index 2f7c7293e846..8cfcda99a1d7 100644
--- a/samples/client/petstore/csharp/generichost/net9/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net9/AnyOfNoCompare/src/Org.OpenAPITools/Model/Apple.cs
@@ -157,7 +157,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net9/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
index df0d290f06ee..2be6e1b0501c 100644
--- a/samples/client/petstore/csharp/generichost/net9/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net9/AnyOfNoCompare/src/Org.OpenAPITools/Model/Banana.cs
@@ -157,7 +157,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net9/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
index f3a5418e2170..ebcf62ab1443 100644
--- a/samples/client/petstore/csharp/generichost/net9/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net9/AnyOfNoCompare/src/Org.OpenAPITools/Model/Fruit.cs
@@ -213,7 +213,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Activity.cs
index 1c125e463c07..0baba23ccf52 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Activity.cs
@@ -156,7 +156,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index 434f74698e3b..38e288cbbe85 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -179,7 +179,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 482589a9e5fc..8b63e560e3c3 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -315,7 +315,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -330,7 +329,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Animal.cs
index 371595944d7b..2407c49d6e87 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Animal.cs
@@ -192,7 +192,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
index 57f797027126..af6d432b7f9f 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -202,7 +202,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Apple.cs
index 39231f0d396f..e9c5013017fa 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Apple.cs
@@ -232,7 +232,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
index 90b875f38347..00162b94b0a8 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -168,7 +168,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index 0deac145a207..c97d9f91e1ef 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 114ec6836190..20a8f6f9d088 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
index 07ecc2d530e9..4d27ed8f58a1 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -202,7 +202,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Banana.cs
index 01833655a60c..83737b32ed0d 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
index e51da17d64bb..8a4e8157fdc9 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -168,7 +168,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
index bf65c1513d18..d39d4142e341 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -152,7 +152,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
index 411ab5061c07..ed964f1dea99 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -272,7 +272,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -287,7 +286,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Cat.cs
index c5c9fa76f628..213afed1301d 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Cat.cs
@@ -158,7 +158,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Category.cs
index 4dfc61b1b3e3..adfb6bb5076a 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Category.cs
@@ -175,7 +175,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
index 0d9b46a978e5..0911d2e29a6e 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -158,7 +158,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
index 9d988f7b5984..eafd95906774 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -156,7 +156,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index 9f1ccf82a8cc..4d63d4298338 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -171,7 +171,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
index 4fb582c6484a..afe1a985cd86 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -154,7 +154,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
index e3acfad07f60..e1e4d5cd40b2 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -152,7 +152,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index cd989244f843..94feb680adba 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -162,7 +162,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -177,7 +176,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index 2a867bcc4298..4148a0a4efe9 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -156,7 +156,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
index 7726e8d5c4c2..3efe5f181740 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -157,7 +157,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
index bb2711891d54..80ee16e20fef 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -157,7 +157,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Dog.cs
index 67c58e4ae967..859e703612ae 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Dog.cs
@@ -158,7 +158,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
index 8e666f2d2867..0d9208ff5c4e 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Drawing.cs
@@ -219,7 +219,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
index 3b32946bb5b9..c92e899b7d38 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -166,7 +166,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
index 79d09774978a..379d700af3f1 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -179,7 +179,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
index 02a65dd082b3..c5b98a8acf8b 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -333,7 +333,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -348,7 +347,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index 665b265fe8b5..8a2609aae4e2 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -171,7 +171,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/File.cs
index 6aa960a41e31..978be6bf3452 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/File.cs
@@ -157,7 +157,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index 82e18d1ef389..c3596b4f7d79 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -179,7 +179,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Foo.cs
index 42a29e21422b..ebfbcac41665 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Foo.cs
@@ -156,7 +156,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index 6c0af8514c82..07043466e6a3 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -156,7 +156,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
index fe45e4e488a8..0c14b6c3c122 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -933,7 +933,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -948,7 +947,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
index 5bd5f12a2603..42999757b8fa 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Fruit.cs
@@ -200,7 +200,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -215,7 +214,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
index 440fbefb11ac..7dc511018ade 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -174,7 +174,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
index e7a346898f1e..3322eb6f7e15 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -205,7 +205,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index 7496855fdf41..17fc21130302 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -169,7 +169,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 7ed6d4990ae9..0f8656c85e8e 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -220,7 +220,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index caf9ff95f7e7..a1263c37991a 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -153,7 +153,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -168,7 +167,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index 38948d0c1ed3..b0087e834c23 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -318,7 +318,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 2329eea4f42b..60c9114c5791 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -164,7 +164,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/List.cs
index 65bc7f611171..55083fed4563 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/List.cs
@@ -156,7 +156,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 3800055a0760..c98cd6b621e8 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -179,7 +179,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
index c4acb8c9c9bd..be313538ae71 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Mammal.cs
@@ -237,7 +237,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
index 6e40d4275163..97bb8da7ad8a 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MapTest.cs
@@ -225,7 +225,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index 2814c36e50fa..1a9b032ad804 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -156,7 +156,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index 1adb2bf859d5..a644a5c3610f 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -251,7 +251,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -284,7 +283,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
index c3400316bbc5..def0526bc48f 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -156,7 +156,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index 88d0a9a352de..2367d300da72 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -247,7 +247,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -262,7 +261,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index cc59be1b34d9..d967818f84dd 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -237,7 +237,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -252,7 +251,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
index 2843e40b0049..3bc3896d56ff 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -156,7 +156,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
index 38197b7ab613..4073dbdb33e1 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -179,7 +179,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
index 66179ce2bd9c..8fc27e9fd8a5 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -156,7 +156,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Name.cs
index 8d2d529f0503..7f925e162542 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Name.cs
@@ -262,7 +262,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index 883b72447c75..c67599315467 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -171,7 +171,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
index 77edeb3e45e0..393c046ebc98 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -389,7 +389,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -404,7 +403,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index 96f3e36ecec2..b95f5fdcd5f3 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -154,7 +154,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
index dcbb486a9920..78d92ffdff79 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -213,7 +213,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
index 0e5d10a95ada..2c65bf4c6c90 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -156,7 +156,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 9ecaccc0bb1d..f660f8b075be 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -228,7 +228,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
index af0ceaa278b0..6a272e1b6e8a 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -143,7 +143,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -158,7 +157,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Order.cs
index 32ecad789af6..75b9e6e83497 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Order.cs
@@ -277,7 +277,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -292,7 +291,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
index 5e4cea2ad890..3fcb5458c381 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -202,7 +202,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
index a5c2a2f12ef1..e2eee3e04ee6 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -132,7 +132,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -152,7 +151,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Pet.cs
index bad8f48861c7..58d614666577 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Pet.cs
@@ -264,7 +264,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -279,7 +278,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Pig.cs
index 8922e573ab0f..d7cf2044a024 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Pig.cs
@@ -213,7 +213,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index befe6e02ec3a..75d26e5651e5 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -225,7 +225,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
index bb695bd00b79..eaf989412ccc 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -213,7 +213,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 8d7a57c59526..860e115ad157 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -152,7 +152,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index edcaca516e33..e91a9b116ec8 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -217,7 +217,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
index 2007d33c8f9b..07d56ec87b26 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -1035,7 +1035,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -1050,7 +1049,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Result.cs
index 62bc561934d5..d2ca3e9ac752 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Result.cs
@@ -205,7 +205,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Return.cs
index a9c51b8a1ec6..7d3365117205 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Return.cs
@@ -214,7 +214,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -229,7 +228,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 5e3a5137cb38..821bafb5c74b 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -179,7 +179,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 2b804f7bd98c..e399e3ef9755 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -156,7 +156,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index d8eac4a684ce..498f37a358c7 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -171,7 +171,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Shape.cs
index 49b8e42ab4f9..71a1d4cb0ec0 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Shape.cs
@@ -213,7 +213,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 3fce1535c904..356459fbd154 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -152,7 +152,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index fa998a6ecdd7..17df1392c391 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -213,7 +213,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 179b7c602d12..98336ddd3bbf 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -171,7 +171,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
index c24374910fa1..ebbf47e9c5f1 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -179,7 +179,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Tag.cs
index 1106d4a4e7ee..ef8ec55b20d0 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Tag.cs
@@ -179,7 +179,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index 36a4085251e4..fbdb0cd4a585 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index e6726b227d81..db4b142b687a 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
index 16abb0fa533d..91b0e0dfec84 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -188,7 +188,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index a6ad15da33a2..3852ce1829df 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -156,7 +156,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
index beb1ab579d11..a7c1f97f6c8b 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TestResult.cs
@@ -204,7 +204,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
index 1ef3b35e8e9c..8a2e561cc3c2 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Triangle.cs
@@ -237,7 +237,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
index ed4592635d34..9a4682473fb4 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -152,7 +152,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/User.cs
index af6279d66395..4ffb503161f7 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/User.cs
@@ -405,7 +405,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -420,7 +419,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Whale.cs
index 5d5e1b5421b6..087642453d9b 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Whale.cs
@@ -198,7 +198,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
index 69ee715e38be..1f3158514d78 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/Zebra.cs
@@ -175,7 +175,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index ee7e3eecf739..262803184890 100644
--- a/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/FormModels/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -156,7 +156,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Activity.cs
index ca8cfb1a062d..68e6556fe628 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Activity.cs
@@ -158,7 +158,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index 4cb0bfbebdc6..8e4f68052139 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -181,7 +181,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 9e6732bcbc10..18942823ef58 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -317,7 +317,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -332,7 +331,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Animal.cs
index 457d433df3bb..ca288e27e247 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Animal.cs
@@ -194,7 +194,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ApiResponse.cs
index eae8aa1c7bfd..429966bbadbd 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -204,7 +204,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Apple.cs
index 9627141cf147..beb6f775284d 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Apple.cs
@@ -234,7 +234,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -249,7 +248,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/AppleReq.cs
index f21dcb8014b1..bd54b3a2f52e 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -170,7 +170,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -185,7 +184,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index 522624a5ce1d..4c069dc4ce82 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -158,7 +158,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 67bbfe87647d..e8675a5a80a1 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -158,7 +158,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayTest.cs
index a01ecacdd72b..43d194bb8b48 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -204,7 +204,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Banana.cs
index ca7e413ceeb6..2d6ae93660d9 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Banana.cs
@@ -158,7 +158,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/BananaReq.cs
index 96a98e9e2f69..3d0a61033423 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -170,7 +170,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -185,7 +184,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/BasquePig.cs
index 001ce4a14655..1ebe60f765ac 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -154,7 +154,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Capitalization.cs
index 85b6baa2d754..8fd8c1a51c41 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -274,7 +274,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -289,7 +288,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Cat.cs
index 05ee372584c4..c7f82b01b78a 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Cat.cs
@@ -160,7 +160,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -175,7 +174,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Category.cs
index 63a943b1ca32..edd7f8dacb8b 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Category.cs
@@ -177,7 +177,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -192,7 +191,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ChildCat.cs
index 506651c5b421..6785fe96f423 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -219,7 +219,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ClassModel.cs
index ba22c38d013f..69e62afafe0c 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -158,7 +158,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index bda6577d02c2..f1bad4d77735 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -173,7 +173,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/CopyActivity.cs
index 1b77996e10c2..77bc89ec64e9 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -215,7 +215,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -230,7 +229,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/DanishPig.cs
index fb8adbaeb62f..8bb1b45865ba 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -154,7 +154,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index bde9eedbf899..d37ac2f6bd54 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -164,7 +164,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index edf3580a5006..f731dd97b377 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -158,7 +158,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant1.cs
index d0913992d157..3fb1c492fd07 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -166,7 +166,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -181,7 +180,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant2.cs
index 5cd06903b366..89e5e80bbf40 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -166,7 +166,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -181,7 +180,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Dog.cs
index d138df0d6905..41b21e4f8645 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Dog.cs
@@ -160,7 +160,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -175,7 +174,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Drawing.cs
index 678e0ed5419d..7f00e7b6b074 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Drawing.cs
@@ -221,7 +221,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -236,7 +235,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EntityBase.cs
index 4c21cc792a55..1bb43e6a8ee3 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -168,7 +168,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumArrays.cs
index 087a026beaaf..c8f09af033bd 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -320,7 +320,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -335,7 +334,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumTest.cs
index 2eefc1ef6ba2..915278e2837c 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -859,7 +859,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -874,7 +873,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index c30ec912d755..87ed595f4a42 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -173,7 +173,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/File.cs
index d5eb5d549ea6..41c218eaf072 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/File.cs
@@ -159,7 +159,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index 7e388fa26fa2..11f2f7e2ebb7 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -181,7 +181,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Foo.cs
index f410f110f43c..d6a71b2f68e6 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Foo.cs
@@ -158,7 +158,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index cfc038f14e58..23310da4d01b 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -158,7 +158,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs
index 3c0a18995dc9..b45123220298 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -935,7 +935,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -950,7 +949,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Fruit.cs
index 363808c467e3..1cb37dc50b07 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Fruit.cs
@@ -202,7 +202,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FruitReq.cs
index af1802aab1a9..13e9d1a5b6bf 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -176,7 +176,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -191,7 +190,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/GmFruit.cs
index 57ccb03380ab..87badf71a4a9 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -207,7 +207,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index b5365a68d6ba..001d612fc862 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -171,7 +171,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 103d547b76d2..7dfecca3e4c2 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -222,7 +222,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -237,7 +236,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index 04f36b46808b..68c52ea737b4 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -155,7 +155,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index fc3ff4a253e9..c1cb9bc77c58 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -320,7 +320,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -335,7 +334,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 466c62aea797..5b6eed7047ce 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -166,7 +166,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -181,7 +180,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/List.cs
index 51f16d706697..64f7d9f90a6c 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/List.cs
@@ -158,7 +158,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 91d2b5fb1c3c..4113e1c396ec 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -181,7 +181,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Mammal.cs
index 05a5e5d55604..8dae459101ba 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Mammal.cs
@@ -239,7 +239,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -272,7 +271,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MapTest.cs
index c232c64f65da..03fef3b9ce60 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MapTest.cs
@@ -293,7 +293,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -308,7 +307,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index f5f988259cdf..18da3c77dd48 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -158,7 +158,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index acbb49099bbd..f2ba03f1e0d4 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -253,7 +253,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -286,7 +285,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOf.cs
index 03581cdcfd40..9d674926e216 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -158,7 +158,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index bac36e3cbe70..1a42741423ae 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -249,7 +249,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -264,7 +263,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index 840ed7657912..fa2e0694bb24 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -239,7 +239,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -254,7 +253,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedSubId.cs
index b385cf0dd9ee..f036240b579b 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -158,7 +158,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Model200Response.cs
index bf0f3e968c36..e4ae282ec9b6 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -181,7 +181,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ModelClient.cs
index 4b654356987a..d0bd57ad9e25 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -158,7 +158,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Name.cs
index 73f861dcc6cc..5ed720c3ccc4 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Name.cs
@@ -264,7 +264,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -279,7 +278,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index c8a57aa7547f..0c5df34a03d3 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -173,7 +173,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableClass.cs
index 96cbd8c1fcca..f6174aea7208 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -391,7 +391,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -406,7 +405,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index 068a79631f0d..09d2f81739a0 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -156,7 +156,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableShape.cs
index f8120a285900..765b17c09b94 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -215,7 +215,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NumberOnly.cs
index 25105240d38d..9a7e8b24d204 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -158,7 +158,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 5b4319dbc5ef..978db5f11c6e 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -230,7 +230,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -245,7 +244,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/OneOfString.cs
index e03117058c32..be2cec490d8f 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -145,7 +145,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -160,7 +159,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Order.cs
index 52073abb4d53..d286ac247aeb 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Order.cs
@@ -368,7 +368,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -383,7 +382,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/OuterComposite.cs
index fe4f0786dbaf..3eac7fb0efdf 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -204,7 +204,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ParentPet.cs
index 8d83f726bb64..4aa68888a6b7 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -134,7 +134,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -154,7 +153,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Pet.cs
index 84a01f8eeae3..1607391d0075 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Pet.cs
@@ -355,7 +355,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -370,7 +369,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Pig.cs
index fa25f86f0451..e5c2b80f4295 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Pig.cs
@@ -215,7 +215,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index d33ed7654562..1caaf6f6b92c 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -227,7 +227,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Quadrilateral.cs
index f3ef0fda6d96..52b8cdfb1355 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -215,7 +215,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 56c9dfeac6ba..4596a6492745 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -154,7 +154,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index 72ccb4531a7d..8978d99739e1 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -219,7 +219,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/RequiredClass.cs
index 186dfc468ead..814f7af2f00d 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -2219,7 +2219,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -2234,7 +2233,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Result.cs
index fe06dd89d4c9..33001f356a9b 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Result.cs
@@ -207,7 +207,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -222,7 +221,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Return.cs
index 12c679cd5146..86dbc4c2a190 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Return.cs
@@ -216,7 +216,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -231,7 +230,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 056240574ca5..428fb58213c1 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -181,7 +181,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 264d24e0505b..8d965d718002 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -158,7 +158,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index fd0f1d1bcba9..f8f7b31fde34 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -173,7 +173,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Shape.cs
index 9946323dcdbe..76cdea3c0f13 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Shape.cs
@@ -215,7 +215,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 4404aab7f1b1..b014ebce7804 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -154,7 +154,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index 665942a5f44f..ab53a15de52d 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -215,7 +215,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -242,7 +241,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index c0ba8c4782be..31e83cc8e021 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -173,7 +173,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -188,7 +187,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/SpecialModelName.cs
index 026f410268fe..781119dc84e7 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -181,7 +181,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Tag.cs
index 0702b6e968f2..f12bda6458a9 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Tag.cs
@@ -181,7 +181,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -196,7 +195,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index 61b664997f85..21e6e3486671 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -158,7 +158,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index 54b592a8f5a4..d58357a22252 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -158,7 +158,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestDescendants.cs
index e75e8fbaeb7c..927eb828c42c 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -263,7 +263,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -288,7 +287,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index 3e8d19707387..b214297afab7 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -158,7 +158,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestResult.cs
index f8a9abc06052..64f9ac9c690b 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TestResult.cs
@@ -206,7 +206,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -221,7 +220,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Triangle.cs
index c3d21195968a..039a2351c3f7 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Triangle.cs
@@ -239,7 +239,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -272,7 +271,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TriangleInterface.cs
index 358a0e2aa20c..e2fc8b97c357 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -154,7 +154,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/User.cs
index ce498d7d327c..b3fe51551553 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/User.cs
@@ -407,7 +407,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -422,7 +421,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Whale.cs
index d0099756b15c..2fad1c319e4b 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Whale.cs
@@ -200,7 +200,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -215,7 +214,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Zebra.cs
index fae5958200e6..31b6a8d4d271 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/Zebra.cs
@@ -264,7 +264,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -279,7 +278,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index cf5d2bcb6a8f..e4137d8207e7 100644
--- a/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/NullReferenceTypes/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -231,7 +231,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -246,7 +245,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Apple.cs
index 62078fd772e4..f013ab58aff2 100644
--- a/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Apple.cs
@@ -158,7 +158,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.KindOption.IsSet && apple.Kind == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Banana.cs
index 65f3b8595ee9..d2e3592a7114 100644
--- a/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Banana.cs
@@ -158,7 +158,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.CountOption.IsSet && banana.Count == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
index 995c0a87ad8b..3bb11c348e51 100644
--- a/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Fruit.cs
@@ -233,7 +233,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -248,7 +247,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Orange.cs b/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Orange.cs
index eea08050f18f..8895e46f2556 100644
--- a/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Orange.cs
+++ b/samples/client/petstore/csharp/generichost/net9/OneOf/src/Org.OpenAPITools/Model/Orange.cs
@@ -158,7 +158,6 @@ public override Orange Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="orange"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Orange orange, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Orange orange, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="orange"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Orange orange, JsonSerializerOptions jsonSerializerOptions)
         {
             if (orange.SweetOption.IsSet && orange.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Activity.cs
index 1c125e463c07..0baba23ccf52 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Activity.cs
@@ -156,7 +156,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index 434f74698e3b..38e288cbbe85 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -179,7 +179,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 482589a9e5fc..8b63e560e3c3 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -315,7 +315,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -330,7 +329,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Animal.cs
index 371595944d7b..2407c49d6e87 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Animal.cs
@@ -192,7 +192,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
index 57f797027126..af6d432b7f9f 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -202,7 +202,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Apple.cs
index 39231f0d396f..e9c5013017fa 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Apple.cs
@@ -232,7 +232,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
index 90b875f38347..00162b94b0a8 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -168,7 +168,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index 0deac145a207..c97d9f91e1ef 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 114ec6836190..20a8f6f9d088 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
index 07ecc2d530e9..4d27ed8f58a1 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -202,7 +202,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Banana.cs
index 01833655a60c..83737b32ed0d 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
index e51da17d64bb..8a4e8157fdc9 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -168,7 +168,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
index bf65c1513d18..d39d4142e341 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -152,7 +152,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
index 411ab5061c07..ed964f1dea99 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -272,7 +272,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -287,7 +286,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Cat.cs
index c5c9fa76f628..213afed1301d 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Cat.cs
@@ -158,7 +158,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Category.cs
index 4dfc61b1b3e3..adfb6bb5076a 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Category.cs
@@ -175,7 +175,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
index fa6b06132a0c..d2c850231eba 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -217,7 +217,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
index 9d988f7b5984..eafd95906774 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -156,7 +156,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index 9f1ccf82a8cc..4d63d4298338 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -171,7 +171,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
index fad896e8c944..4b3d84af913d 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -213,7 +213,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -228,7 +227,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
index e3acfad07f60..e1e4d5cd40b2 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -152,7 +152,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index cd989244f843..94feb680adba 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -162,7 +162,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -177,7 +176,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index 2a867bcc4298..4148a0a4efe9 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -156,7 +156,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
index ef4fa867e899..bd6d6a6fd835 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -164,7 +164,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
index d83152dfa6b7..853e0f2271e3 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -164,7 +164,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Dog.cs
index 67c58e4ae967..859e703612ae 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Dog.cs
@@ -158,7 +158,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
index 8e666f2d2867..0d9208ff5c4e 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
@@ -219,7 +219,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
index 3b32946bb5b9..c92e899b7d38 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -166,7 +166,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
index 11f9cab173bd..cd2dcaa56797 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -318,7 +318,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
index bd7ccf486fc3..92ecefeb9edd 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -857,7 +857,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -872,7 +871,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index 665b265fe8b5..8a2609aae4e2 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -171,7 +171,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/File.cs
index 6aa960a41e31..978be6bf3452 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/File.cs
@@ -157,7 +157,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index 82e18d1ef389..c3596b4f7d79 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -179,7 +179,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Foo.cs
index 42a29e21422b..ebfbcac41665 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Foo.cs
@@ -156,7 +156,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index 6c0af8514c82..07043466e6a3 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -156,7 +156,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
index fe45e4e488a8..0c14b6c3c122 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -933,7 +933,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -948,7 +947,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
index 5bd5f12a2603..42999757b8fa 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
@@ -200,7 +200,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -215,7 +214,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
index 440fbefb11ac..7dc511018ade 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -174,7 +174,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
index e7a346898f1e..3322eb6f7e15 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -205,7 +205,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index 7496855fdf41..17fc21130302 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -169,7 +169,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 7ed6d4990ae9..0f8656c85e8e 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -220,7 +220,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index caf9ff95f7e7..a1263c37991a 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -153,7 +153,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -168,7 +167,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index 38948d0c1ed3..b0087e834c23 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -318,7 +318,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 2329eea4f42b..60c9114c5791 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -164,7 +164,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/List.cs
index 65bc7f611171..55083fed4563 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/List.cs
@@ -156,7 +156,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 3800055a0760..c98cd6b621e8 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -179,7 +179,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
index c4acb8c9c9bd..be313538ae71 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
@@ -237,7 +237,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
index 831d190dfa8d..b5299c925ca4 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
@@ -291,7 +291,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -306,7 +305,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index 2814c36e50fa..1a9b032ad804 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -156,7 +156,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index 1adb2bf859d5..a644a5c3610f 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -251,7 +251,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -284,7 +283,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
index c3400316bbc5..def0526bc48f 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -156,7 +156,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index 88d0a9a352de..2367d300da72 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -247,7 +247,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -262,7 +261,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index cc59be1b34d9..d967818f84dd 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -237,7 +237,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -252,7 +251,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
index 2843e40b0049..3bc3896d56ff 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -156,7 +156,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
index 38197b7ab613..4073dbdb33e1 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -179,7 +179,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
index 66179ce2bd9c..8fc27e9fd8a5 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -156,7 +156,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Name.cs
index 8d2d529f0503..7f925e162542 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Name.cs
@@ -262,7 +262,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index 883b72447c75..c67599315467 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -171,7 +171,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
index 77edeb3e45e0..393c046ebc98 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -389,7 +389,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -404,7 +403,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index 96f3e36ecec2..b95f5fdcd5f3 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -154,7 +154,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
index dcbb486a9920..78d92ffdff79 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -213,7 +213,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
index 0e5d10a95ada..2c65bf4c6c90 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -156,7 +156,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 9ecaccc0bb1d..f660f8b075be 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -228,7 +228,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
index af0ceaa278b0..6a272e1b6e8a 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -143,7 +143,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -158,7 +157,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Order.cs
index f678fe600e84..fbcb9c4af607 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Order.cs
@@ -366,7 +366,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -381,7 +380,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
index 5e4cea2ad890..3fcb5458c381 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -202,7 +202,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
index a5c2a2f12ef1..e2eee3e04ee6 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -132,7 +132,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -152,7 +151,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Pet.cs
index 599d7d612422..f3b9599a1325 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Pet.cs
@@ -353,7 +353,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -368,7 +367,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Pig.cs
index 8922e573ab0f..d7cf2044a024 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Pig.cs
@@ -213,7 +213,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index befe6e02ec3a..75d26e5651e5 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -225,7 +225,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
index bb695bd00b79..eaf989412ccc 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -213,7 +213,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 8d7a57c59526..860e115ad157 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -152,7 +152,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index edcaca516e33..e91a9b116ec8 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -217,7 +217,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
index 779f1eb4f318..54fc15dbf5d7 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -2217,7 +2217,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -2232,7 +2231,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Result.cs
index 62bc561934d5..d2ca3e9ac752 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Result.cs
@@ -205,7 +205,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Return.cs
index a9c51b8a1ec6..7d3365117205 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Return.cs
@@ -214,7 +214,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -229,7 +228,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 5e3a5137cb38..821bafb5c74b 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -179,7 +179,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 2b804f7bd98c..e399e3ef9755 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -156,7 +156,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index d8eac4a684ce..498f37a358c7 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -171,7 +171,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Shape.cs
index 49b8e42ab4f9..71a1d4cb0ec0 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Shape.cs
@@ -213,7 +213,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 3fce1535c904..356459fbd154 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -152,7 +152,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index fa998a6ecdd7..17df1392c391 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -213,7 +213,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 179b7c602d12..98336ddd3bbf 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -171,7 +171,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
index c24374910fa1..ebbf47e9c5f1 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -179,7 +179,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Tag.cs
index 1106d4a4e7ee..ef8ec55b20d0 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Tag.cs
@@ -179,7 +179,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index 36a4085251e4..fbdb0cd4a585 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index e6726b227d81..db4b142b687a 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
index 39a686cd928e..3812a5f24758 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -261,7 +261,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -286,7 +285,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index a6ad15da33a2..3852ce1829df 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -156,7 +156,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
index beb1ab579d11..a7c1f97f6c8b 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
@@ -204,7 +204,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
index 1ef3b35e8e9c..8a2e561cc3c2 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
@@ -237,7 +237,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
index ed4592635d34..9a4682473fb4 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -152,7 +152,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/User.cs
index af6279d66395..4ffb503161f7 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/User.cs
@@ -405,7 +405,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -420,7 +419,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Whale.cs
index 5d5e1b5421b6..087642453d9b 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Whale.cs
@@ -198,7 +198,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
index 351e31c7bec1..c2944781b24a 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
@@ -262,7 +262,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index 2614b6be623f..959d2b03efe1 100644
--- a/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -229,7 +229,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -244,7 +243,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Activity.cs
index 4e8cdbade02e..46121c8de25f 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Activity.cs
@@ -159,7 +159,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index ea78057f2157..5beaf95a3b55 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -182,7 +182,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 033acfcc2f86..b5322aa98c71 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -318,7 +318,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Animal.cs
index f17ca142e62e..a71f0e5513d5 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Animal.cs
@@ -195,7 +195,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ApiResponse.cs
index 7fe2badda61a..ccd192b48a91 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -205,7 +205,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Apple.cs
index 28e983f8c1f7..43c476af80c8 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Apple.cs
@@ -235,7 +235,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -250,7 +249,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/AppleReq.cs
index 6bf3eafa9dde..0a0d2c56ffe1 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -171,7 +171,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index 31d9c34c847b..0a84f33c9a4c 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -159,7 +159,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 162b12039c99..26752a0cd36a 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -159,7 +159,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ArrayTest.cs
index 554aabd49342..944aa9287a73 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -205,7 +205,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Banana.cs
index 67d43b51ee6f..572e40e82582 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Banana.cs
@@ -159,7 +159,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/BananaReq.cs
index 1be1967bbf30..bd71081f4354 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -171,7 +171,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/BasquePig.cs
index a0e29952cf6b..b291a9e0675e 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -155,7 +155,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Capitalization.cs
index 88ffeedd57e2..0aff545dd56c 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -275,7 +275,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -290,7 +289,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Cat.cs
index e4b3cccaac9a..90b25450e6ff 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Cat.cs
@@ -161,7 +161,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -176,7 +175,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Category.cs
index 1201a731b6e7..a0cddb6d5d49 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Category.cs
@@ -178,7 +178,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -193,7 +192,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ChildCat.cs
index 15382bf6aba3..c2e9df55724f 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -220,7 +220,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ClassModel.cs
index b90a63c9080f..1c0e9bb09aaf 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -159,7 +159,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index ce569aa8a223..a45a9e372eaf 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -174,7 +174,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/CopyActivity.cs
index 6ea89bfa46cf..8e4152bbea1d 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -216,7 +216,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -231,7 +230,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/DanishPig.cs
index c75866f77a37..56be838031d7 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -155,7 +155,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index e6886061ce16..18a563f9beed 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -165,7 +165,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -180,7 +179,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index f38c40855cf9..037467af4fd6 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -159,7 +159,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Descendant1.cs
index 4b36c6fb200e..c6346891487e 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -167,7 +167,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -182,7 +181,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Descendant2.cs
index 4060b8ea853e..226f543f4ad3 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -167,7 +167,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -182,7 +181,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Dog.cs
index 16dc36126f60..c09b5894cde4 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Dog.cs
@@ -161,7 +161,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -176,7 +175,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Drawing.cs
index 0204ffd11b67..77792593add9 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Drawing.cs
@@ -222,7 +222,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -237,7 +236,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EntityBase.cs
index 18696b473eaa..bf2eabddedc5 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -169,7 +169,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EnumArrays.cs
index fb02ff8e8d41..58a45a6a87cb 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -321,7 +321,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -336,7 +335,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EnumTest.cs
index 4e67307c599d..8f217f08d673 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -860,7 +860,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -875,7 +874,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index b3efb43120f2..c713c15e8e75 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -174,7 +174,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/File.cs
index 5b777b632272..d63a071c30ae 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/File.cs
@@ -160,7 +160,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -175,7 +174,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index c77f93cc5dda..667548469483 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -182,7 +182,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Foo.cs
index 9bc633fb1347..189b130ccc4d 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Foo.cs
@@ -159,7 +159,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index ed0f645778c7..c8c5fa2a5b55 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -159,7 +159,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs
index 5e2b0098cd89..b6ad544b330d 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -936,7 +936,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -951,7 +950,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Fruit.cs
index 9bef81f9165b..5e9fa4564a89 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Fruit.cs
@@ -203,7 +203,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -218,7 +217,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FruitReq.cs
index ed5e1e35c028..40a9aaf3e761 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -177,7 +177,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -192,7 +191,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/GmFruit.cs
index 319c972914d5..3781db9127c1 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -208,7 +208,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index a561b03d9a80..ae9897dd949a 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -172,7 +172,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index ef6d3ab7c298..267a9bd7253d 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -223,7 +223,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -238,7 +237,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index 78c8b2222aa8..eb10f70fc159 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -156,7 +156,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index 8428d73f1f4d..a5a551d58f03 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -321,7 +321,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -336,7 +335,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 76f823c04feb..18af0f861459 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -167,7 +167,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -182,7 +181,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/List.cs
index d2428a617391..664fa067d24c 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/List.cs
@@ -159,7 +159,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 5089070ed31b..fbd2d2eb5273 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -182,7 +182,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Mammal.cs
index 02f86812548c..6fd97f187117 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Mammal.cs
@@ -240,7 +240,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -273,7 +272,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MapTest.cs
index be29a234a40f..15717778c839 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MapTest.cs
@@ -294,7 +294,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -309,7 +308,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index b161e262d82e..e6d8bd647e7a 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -159,7 +159,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index 230475ed0347..b88a7e3c06af 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -254,7 +254,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -287,7 +286,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOf.cs
index 88bbc61728d0..0cf6230eb6bf 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -159,7 +159,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index ca6ca27187dd..056b2b994649 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -250,7 +250,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -265,7 +264,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index 00c741fe8230..1f5ee59df1e9 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -240,7 +240,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -255,7 +254,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedSubId.cs
index e7b51c028c54..2548f40af76e 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -159,7 +159,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Model200Response.cs
index 6f113f248688..bac80386c438 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -182,7 +182,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ModelClient.cs
index aa8b7f0e664c..3058a0066248 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -159,7 +159,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Name.cs
index a57af8984382..3ce1f23d1746 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Name.cs
@@ -265,7 +265,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -280,7 +279,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index 49af3bbc0011..3db174a72bf7 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -174,7 +174,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NullableClass.cs
index 4c37377b8b56..dbb1effb285b 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -392,7 +392,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -407,7 +406,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index 316f63feb3c1..7aa2022a3dbe 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -157,7 +157,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NullableShape.cs
index 650fa75d3470..b094f730ebc4 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -216,7 +216,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NumberOnly.cs
index f3b39743e06c..d8a6197c7490 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -159,7 +159,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 181ca33013a1..a6c1d895cfda 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -231,7 +231,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -246,7 +245,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/OneOfString.cs
index 4a46f52ead3a..8bca9c113496 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -146,7 +146,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -161,7 +160,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Order.cs
index 2a4479bb6892..8006cfbce439 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Order.cs
@@ -369,7 +369,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -384,7 +383,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/OuterComposite.cs
index 611702e0a740..5e1a645aa922 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -205,7 +205,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ParentPet.cs
index b5a9f269d06a..2206723bdf42 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -135,7 +135,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -155,7 +154,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Pet.cs
index 2f834d4ad27e..71c2b601e315 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Pet.cs
@@ -356,7 +356,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -371,7 +370,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Pig.cs
index 4e3ca083f0e0..b3abfe311cca 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Pig.cs
@@ -216,7 +216,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index d3e959b95a67..e0baef9347bc 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -228,7 +228,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Quadrilateral.cs
index 07a6da257acc..850de679ebf5 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -216,7 +216,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 6da445395d9b..03646d05416b 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -155,7 +155,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index 721f02f2e915..f1ba87a2635c 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -220,7 +220,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/RequiredClass.cs
index b876a0dfebb4..e7e2d194acb0 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -2220,7 +2220,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -2235,7 +2234,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Result.cs
index bbeabbb4a288..7724cc47e7e3 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Result.cs
@@ -208,7 +208,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -223,7 +222,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Return.cs
index a939792e9831..e0bbb6a90515 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Return.cs
@@ -217,7 +217,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 1dd908069a7d..c227978f4c94 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -182,7 +182,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index af7998bdab26..95e96c442bb9 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -159,7 +159,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index fd5f5a3f6e69..538857e10d49 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -174,7 +174,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Shape.cs
index 2a1135dcf33c..92a7d9bf8462 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Shape.cs
@@ -216,7 +216,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 2d1a8d444eba..78ba8e07009a 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -155,7 +155,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index 4ff352dcff8f..f8350930f14a 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -216,7 +216,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 7de7001d7e74..964f5b3ed00e 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -174,7 +174,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/SpecialModelName.cs
index 5d8916e01495..0e3972e37a16 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -182,7 +182,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Tag.cs
index 9d3e01cfe13f..56424996d5c0 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Tag.cs
@@ -182,7 +182,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -197,7 +196,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index a77e39fb335a..1e54eafcfa2b 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -159,7 +159,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index fa3bdcca712c..64b45c2a1d34 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -159,7 +159,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestDescendants.cs
index c55f09c24ad7..90d78d2e066f 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -264,7 +264,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -289,7 +288,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index 79f0d4ead06e..bb87cf541324 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -159,7 +159,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -174,7 +173,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestResult.cs
index ed2c4f9b1ee4..4205752aa4d2 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TestResult.cs
@@ -207,7 +207,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -222,7 +221,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Triangle.cs
index a136888f90d4..399994e28dc2 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Triangle.cs
@@ -240,7 +240,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -273,7 +272,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TriangleInterface.cs
index bacb230b71b7..1892a822d865 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -155,7 +155,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -170,7 +169,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/User.cs
index 66da53d722ec..04daff1ed7be 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/User.cs
@@ -408,7 +408,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -423,7 +422,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Whale.cs
index 29ec64728866..29bde9dd1ac8 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Whale.cs
@@ -201,7 +201,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -216,7 +215,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Zebra.cs
index fa37280bcd17..f60c1b215254 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/Zebra.cs
@@ -265,7 +265,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -280,7 +279,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index 184ee862a155..f0e86093b153 100644
--- a/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/net9/SourceGeneration/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -232,7 +232,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/net9/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs b/samples/client/petstore/csharp/generichost/net9/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
index 43cfd5298ad3..a6a24e6491c7 100644
--- a/samples/client/petstore/csharp/generichost/net9/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
+++ b/samples/client/petstore/csharp/generichost/net9/UseDateTimeForDate/src/Org.OpenAPITools/Model/NowGet200Response.cs
@@ -183,7 +183,6 @@ public override NowGet200Response Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nowGet200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NowGet200Response nowGet200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -198,7 +197,6 @@ public override void Write(Utf8JsonWriter writer, NowGet200Response nowGet200Res
         /// <param name="writer"></param>
         /// <param name="nowGet200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NowGet200Response nowGet200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nowGet200Response.NowOption.IsSet && nowGet200Response.Now == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Activity.cs
index 99262aea8c59..404476d906b0 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Activity.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Activity.cs
@@ -156,7 +156,6 @@ public override Activity Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Activity activity, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="activity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Activity activity, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activity.ActivityOutputsOption.IsSet && activity.ActivityOutputs == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
index 03949c150021..46ae0e3f391d 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -179,7 +179,6 @@ public override ActivityOutputElementRepresentation Read(ref Utf8JsonReader utf8
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, ActivityOutputElementRepresent
         /// <param name="writer"></param>
         /// <param name="activityOutputElementRepresentation"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ActivityOutputElementRepresentation activityOutputElementRepresentation, JsonSerializerOptions jsonSerializerOptions)
         {
             if (activityOutputElementRepresentation.Prop1Option.IsSet && activityOutputElementRepresentation.Prop1 == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
index 326b04bfc736..e01cfeffeb0d 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
@@ -315,7 +315,6 @@ public override AdditionalPropertiesClass Read(ref Utf8JsonReader utf8JsonReader
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -330,7 +329,6 @@ public override void Write(Utf8JsonWriter writer, AdditionalPropertiesClass addi
         /// <param name="writer"></param>
         /// <param name="additionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AdditionalPropertiesClass additionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (additionalPropertiesClass.EmptyMapOption.IsSet && additionalPropertiesClass.EmptyMap == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Animal.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Animal.cs
index 24bb80b1161e..1f0daf2c9e58 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Animal.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Animal.cs
@@ -192,7 +192,6 @@ public override Animal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal is Cat cat){
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, Animal animal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="animal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Animal animal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (animal.ColorOption.IsSet && animal.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
index 53bcd08ade21..5fd2aa296926 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ApiResponse.cs
@@ -202,7 +202,6 @@ public override ApiResponse Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ApiResponse apiResponse, JsonS
         /// <param name="writer"></param>
         /// <param name="apiResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ApiResponse apiResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apiResponse.CodeOption.IsSet && apiResponse.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Apple.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Apple.cs
index 75cee1b3c300..ef8268a90a59 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Apple.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Apple.cs
@@ -232,7 +232,6 @@ public override Apple Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -247,7 +246,6 @@ public override void Write(Utf8JsonWriter writer, Apple apple, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="apple"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Apple apple, JsonSerializerOptions jsonSerializerOptions)
         {
             if (apple.ColorCodeOption.IsSet && apple.ColorCode == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
index 3b78fca25fa6..4938fc5a2e5b 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/AppleReq.cs
@@ -168,7 +168,6 @@ public override AppleReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, AppleReq appleReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="appleReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, AppleReq appleReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (appleReq.MealyOption.IsSet && appleReq.Mealy == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
index a7dd1fab07e2..d085ea5e2d2c 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ArrayOfArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader,
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly array
         /// <param name="writer"></param>
         /// <param name="arrayOfArrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfArrayOfNumberOnly.ArrayArrayNumberOption.IsSet && arrayOfArrayOfNumberOnly.ArrayArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
index 977b54bc1746..dc3b303411ef 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ArrayOfNumberOnly.cs
@@ -156,7 +156,6 @@ public override ArrayOfNumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumbe
         /// <param name="writer"></param>
         /// <param name="arrayOfNumberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayOfNumberOnly arrayOfNumberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayOfNumberOnly.ArrayNumberOption.IsSet && arrayOfNumberOnly.ArrayNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
index 083bb513576a..eaf99dd9f801 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ArrayTest.cs
@@ -202,7 +202,6 @@ public override ArrayTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSeria
         /// <param name="writer"></param>
         /// <param name="arrayTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ArrayTest arrayTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (arrayTest.ArrayArrayOfIntegerOption.IsSet && arrayTest.ArrayArrayOfInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Banana.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Banana.cs
index f330f0454ebf..32eea508145d 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Banana.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Banana.cs
@@ -156,7 +156,6 @@ public override Banana Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Banana banana, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="banana"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Banana banana, JsonSerializerOptions jsonSerializerOptions)
         {
             if (banana.LengthCmOption.IsSet && banana.LengthCm == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
index b7bc9af9a97d..42d1bc50f756 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/BananaReq.cs
@@ -168,7 +168,6 @@ public override BananaReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -183,7 +182,6 @@ public override void Write(Utf8JsonWriter writer, BananaReq bananaReq, JsonSeria
         /// <param name="writer"></param>
         /// <param name="bananaReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BananaReq bananaReq, JsonSerializerOptions jsonSerializerOptions)
         {
             if (bananaReq.SweetOption.IsSet && bananaReq.Sweet == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
index bf65c1513d18..d39d4142e341 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/BasquePig.cs
@@ -152,7 +152,6 @@ public override BasquePig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, BasquePig basquePig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="basquePig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, BasquePig basquePig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", basquePig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
index fd01e5b09eaf..94ce156e0bf6 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Capitalization.cs
@@ -272,7 +272,6 @@ public override Capitalization Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -287,7 +286,6 @@ public override void Write(Utf8JsonWriter writer, Capitalization capitalization,
         /// <param name="writer"></param>
         /// <param name="capitalization"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Capitalization capitalization, JsonSerializerOptions jsonSerializerOptions)
         {
             if (capitalization.ATT_NAMEOption.IsSet && capitalization.ATT_NAME == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Cat.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Cat.cs
index ea0441165f89..bf570dbe9416 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Cat.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Cat.cs
@@ -158,7 +158,6 @@ public override Cat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="cat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Cat cat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (cat.ColorOption.IsSet && cat.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Category.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Category.cs
index 6dc2362cc48e..062bc4656542 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Category.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Category.cs
@@ -175,7 +175,6 @@ public override Category Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -190,7 +189,6 @@ public override void Write(Utf8JsonWriter writer, Category category, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="category"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Category category, JsonSerializerOptions jsonSerializerOptions)
         {
             if (category.IdOption.IsSet && category.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
index f14bc54e1086..42c3b2eab18e 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ChildCat.cs
@@ -217,7 +217,6 @@ public override ChildCat Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ChildCat childCat, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="childCat"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ChildCat childCat, JsonSerializerOptions jsonSerializerOptions)
         {
             if (childCat.NameOption.IsSet && childCat.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
index 62e448309893..15973b9e79fa 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ClassModel.cs
@@ -156,7 +156,6 @@ public override ClassModel Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ClassModel classModel, JsonSer
         /// <param name="writer"></param>
         /// <param name="classModel"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ClassModel classModel, JsonSerializerOptions jsonSerializerOptions)
         {
             if (classModel.ClassOption.IsSet && classModel.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
index 9f1ccf82a8cc..4d63d4298338 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ComplexQuadrilateral.cs
@@ -171,7 +171,6 @@ public override ComplexQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ComplexQuadrilateral complexQu
         /// <param name="writer"></param>
         /// <param name="complexQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ComplexQuadrilateral complexQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", complexQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
index fad896e8c944..4b3d84af913d 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/CopyActivity.cs
@@ -213,7 +213,6 @@ public override CopyActivity Read(ref Utf8JsonReader utf8JsonReader, Type typeTo
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -228,7 +227,6 @@ public override void Write(Utf8JsonWriter writer, CopyActivity copyActivity, Jso
         /// <param name="writer"></param>
         /// <param name="copyActivity"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, CopyActivity copyActivity, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("copyActivitytt", copyActivity.CopyActivitytt);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
index e3acfad07f60..e1e4d5cd40b2 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/DanishPig.cs
@@ -152,7 +152,6 @@ public override DanishPig Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, DanishPig danishPig, JsonSeria
         /// <param name="writer"></param>
         /// <param name="danishPig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DanishPig danishPig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("className", danishPig.ClassName);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
index b4f039671025..6428222c29eb 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/DateOnlyClass.cs
@@ -162,7 +162,6 @@ public override DateOnlyClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -177,7 +176,6 @@ public override void Write(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, J
         /// <param name="writer"></param>
         /// <param name="dateOnlyClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DateOnlyClass dateOnlyClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dateOnlyClass.DateOnlyPropertyOption.IsSet && dateOnlyClass.DateOnlyProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
index de7a0f313660..747fbc7166f1 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/DeprecatedObject.cs
@@ -156,7 +156,6 @@ public override DeprecatedObject Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, DeprecatedObject deprecatedObj
         /// <param name="writer"></param>
         /// <param name="deprecatedObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, DeprecatedObject deprecatedObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (deprecatedObject.NameOption.IsSet && deprecatedObject.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
index ef4fa867e899..bd6d6a6fd835 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Descendant1.cs
@@ -164,7 +164,6 @@ public override Descendant1 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, Descendant1 descendant1, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant1"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant1 descendant1, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant1.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
index d83152dfa6b7..853e0f2271e3 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Descendant2.cs
@@ -164,7 +164,6 @@ public override Descendant2 Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, Descendant2 descendant2, JsonS
         /// <param name="writer"></param>
         /// <param name="descendant2"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Descendant2 descendant2, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", descendant2.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Dog.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Dog.cs
index e076e9c9525e..0d9da93f7e79 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Dog.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Dog.cs
@@ -158,7 +158,6 @@ public override Dog Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -173,7 +172,6 @@ public override void Write(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="dog"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Dog dog, JsonSerializerOptions jsonSerializerOptions)
         {
             if (dog.BreedOption.IsSet && dog.Breed == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Drawing.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
index 2aa9413a0cfb..28b81cba6536 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Drawing.cs
@@ -219,7 +219,6 @@ public override Drawing Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -234,7 +233,6 @@ public override void Write(Utf8JsonWriter writer, Drawing drawing, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="drawing"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Drawing drawing, JsonSerializerOptions jsonSerializerOptions)
         {
             if (drawing.MainShapeOption.IsSet && drawing.MainShape == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
index 3b32946bb5b9..c92e899b7d38 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EntityBase.cs
@@ -166,7 +166,6 @@ public override EntityBase Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             if (entityBase is CopyActivity copyActivity){
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EntityBase entityBase, JsonSer
         /// <param name="writer"></param>
         /// <param name="entityBase"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EntityBase entityBase, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("$schema", entityBase.Schema);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
index bb1e852f9e73..a1790a1a6ea3 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EnumArrays.cs
@@ -318,7 +318,6 @@ public override EnumArrays Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSer
         /// <param name="writer"></param>
         /// <param name="enumArrays"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumArrays enumArrays, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumArrays.ArrayEnumOption.IsSet && enumArrays.ArrayEnum == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
index 41c51e61b129..a5e46b184b61 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -857,7 +857,6 @@ public override EnumTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -872,7 +871,6 @@ public override void Write(Utf8JsonWriter writer, EnumTest enumTest, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="enumTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EnumTest enumTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (enumTest.EnumIntegerOption.IsSet && enumTest.EnumInteger == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
index 665b265fe8b5..8a2609aae4e2 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/EquilateralTriangle.cs
@@ -171,7 +171,6 @@ public override EquilateralTriangle Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, EquilateralTriangle equilatera
         /// <param name="writer"></param>
         /// <param name="equilateralTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, EquilateralTriangle equilateralTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", equilateralTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/File.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/File.cs
index 159542d8f5fa..028476ef05b2 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/File.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/File.cs
@@ -157,7 +157,6 @@ public override File Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -172,7 +171,6 @@ public override void Write(Utf8JsonWriter writer, File file, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="file"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, File file, JsonSerializerOptions jsonSerializerOptions)
         {
             if (file.SourceURIOption.IsSet && file.SourceURI == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
index d9dd4b26705c..e7f69a24ef3d 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FileSchemaTestClass.cs
@@ -179,7 +179,6 @@ public override FileSchemaTestClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, FileSchemaTestClass fileSchema
         /// <param name="writer"></param>
         /// <param name="fileSchemaTestClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FileSchemaTestClass fileSchemaTestClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fileSchemaTestClass.FileOption.IsSet && fileSchemaTestClass.File == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Foo.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Foo.cs
index a631d8e2d18a..8620b135a5d6 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Foo.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Foo.cs
@@ -156,7 +156,6 @@ public override Foo Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="foo"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Foo foo, JsonSerializerOptions jsonSerializerOptions)
         {
             if (foo.BarOption.IsSet && foo.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
index 1bbcb2be323c..d0aa9bc4699a 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FooGetDefaultResponse.cs
@@ -156,7 +156,6 @@ public override FooGetDefaultResponse Read(ref Utf8JsonReader utf8JsonReader, Ty
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDe
         /// <param name="writer"></param>
         /// <param name="fooGetDefaultResponse"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FooGetDefaultResponse fooGetDefaultResponse, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fooGetDefaultResponse.StringOption.IsSet && fooGetDefaultResponse.String == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
index 30fe9ab86ca4..8195715477ac 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -933,7 +933,6 @@ public override FormatTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -948,7 +947,6 @@ public override void Write(Utf8JsonWriter writer, FormatTest formatTest, JsonSer
         /// <param name="writer"></param>
         /// <param name="formatTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FormatTest formatTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (formatTest.BinaryOption.IsSet && formatTest.Binary == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Fruit.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
index d1a64f42f03b..8ad0d64c1be5 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Fruit.cs
@@ -200,7 +200,6 @@ public override Fruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -215,7 +214,6 @@ public override void Write(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="fruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Fruit fruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (fruit.ColorOption.IsSet && fruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
index 440fbefb11ac..7dc511018ade 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FruitReq.cs
@@ -174,7 +174,6 @@ public override FruitReq Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -189,7 +188,6 @@ public override void Write(Utf8JsonWriter writer, FruitReq fruitReq, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="fruitReq"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, FruitReq fruitReq, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
index 8d572546f439..4b122a792d91 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/GmFruit.cs
@@ -205,7 +205,6 @@ public override GmFruit Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="gmFruit"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GmFruit gmFruit, JsonSerializerOptions jsonSerializerOptions)
         {
             if (gmFruit.ColorOption.IsSet && gmFruit.Color == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
index 7496855fdf41..17fc21130302 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/GrandparentAnimal.cs
@@ -169,7 +169,6 @@ public override GrandparentAnimal Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             if (grandparentAnimal is ChildCat childCat){
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, GrandparentAnimal grandparentA
         /// <param name="writer"></param>
         /// <param name="grandparentAnimal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, GrandparentAnimal grandparentAnimal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", grandparentAnimal.PetType);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
index 7ed6d4990ae9..0f8656c85e8e 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/HasOnlyReadOnly.cs
@@ -220,7 +220,6 @@ public override HasOnlyReadOnly Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -235,7 +234,6 @@ public override void Write(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnl
         /// <param name="writer"></param>
         /// <param name="hasOnlyReadOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HasOnlyReadOnly hasOnlyReadOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (hasOnlyReadOnly.BarOption.IsSet && hasOnlyReadOnly.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
index 51b2a710bcc6..ffd2310b3213 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/HealthCheckResult.cs
@@ -153,7 +153,6 @@ public override HealthCheckResult Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -168,7 +167,6 @@ public override void Write(Utf8JsonWriter writer, HealthCheckResult healthCheckR
         /// <param name="writer"></param>
         /// <param name="healthCheckResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, HealthCheckResult healthCheckResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (healthCheckResult.NullableMessageOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
index c3b0e495f381..154e205c9166 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/InjectedVendorExtensionsTest.cs
@@ -318,7 +318,6 @@ public override InjectedVendorExtensionsTest Read(ref Utf8JsonReader utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -333,7 +332,6 @@ public override void Write(Utf8JsonWriter writer, InjectedVendorExtensionsTest i
         /// <param name="writer"></param>
         /// <param name="injectedVendorExtensionsTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, InjectedVendorExtensionsTest injectedVendorExtensionsTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessorOption.IsSet && injectedVendorExtensionsTest.PotentiallyOverriddenPropertyAccessor == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
index 2329eea4f42b..60c9114c5791 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/IsoscelesTriangle.cs
@@ -164,7 +164,6 @@ public override IsoscelesTriangle Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -179,7 +178,6 @@ public override void Write(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTri
         /// <param name="writer"></param>
         /// <param name="isoscelesTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, IsoscelesTriangle isoscelesTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", isoscelesTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/List.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/List.cs
index eef51661c9d7..2f275baa700f 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/List.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/List.cs
@@ -156,7 +156,6 @@ public override List Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, List list, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="list"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, List list, JsonSerializerOptions jsonSerializerOptions)
         {
             if (list.Var123ListOption.IsSet && list.Var123List == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
index 0ca2db559ebe..ab45fc36b6c7 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/LiteralStringClass.cs
@@ -179,7 +179,6 @@ public override LiteralStringClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, LiteralStringClass literalStri
         /// <param name="writer"></param>
         /// <param name="literalStringClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, LiteralStringClass literalStringClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (literalStringClass.EscapedLiteralStringOption.IsSet && literalStringClass.EscapedLiteralString == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Mammal.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
index c4acb8c9c9bd..be313538ae71 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Mammal.cs
@@ -237,7 +237,6 @@ public override Mammal Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Mammal mammal, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="mammal"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Mammal mammal, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MapTest.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
index fda445a67fcd..888d9392b1f6 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MapTest.cs
@@ -291,7 +291,6 @@ public override MapTest Read(ref Utf8JsonReader utf8JsonReader, Type typeToConve
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -306,7 +305,6 @@ public override void Write(Utf8JsonWriter writer, MapTest mapTest, JsonSerialize
         /// <param name="writer"></param>
         /// <param name="mapTest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MapTest mapTest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mapTest.DirectMapOption.IsSet && mapTest.DirectMap == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
index 02b04b791e8e..bb4959ca5175 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedAnyOf.cs
@@ -156,7 +156,6 @@ public override MixedAnyOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedAnyOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOf mixedAnyOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedAnyOf.ContentOption.IsSet && mixedAnyOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
index 8b969a45ff95..b8fc88212401 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedAnyOfContent.cs
@@ -251,7 +251,6 @@ public override MixedAnyOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -284,7 +283,6 @@ public override void Write(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfCo
         /// <param name="writer"></param>
         /// <param name="mixedAnyOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedAnyOfContent mixedAnyOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
index 40618643e1b0..706d7fc6b64c 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedOneOf.cs
@@ -156,7 +156,6 @@ public override MixedOneOf Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedOneOf"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOf mixedOneOf, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedOneOf.ContentOption.IsSet && mixedOneOf.Content == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
index 88d0a9a352de..2367d300da72 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedOneOfContent.cs
@@ -247,7 +247,6 @@ public override MixedOneOfContent Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -262,7 +261,6 @@ public override void Write(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfCo
         /// <param name="writer"></param>
         /// <param name="mixedOneOfContent"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedOneOfContent mixedOneOfContent, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
index ea319b6748e3..79dbf684c0cd 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedPropertiesAndAdditionalPropertiesClass.cs
@@ -237,7 +237,6 @@ public override MixedPropertiesAndAdditionalPropertiesClass Read(ref Utf8JsonRea
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -252,7 +251,6 @@ public override void Write(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPr
         /// <param name="writer"></param>
         /// <param name="mixedPropertiesAndAdditionalPropertiesClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedPropertiesAndAdditionalPropertiesClass.DateTimeOption.IsSet && mixedPropertiesAndAdditionalPropertiesClass.DateTime == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
index 87e11e6999e3..121a21a30b23 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/MixedSubId.cs
@@ -156,7 +156,6 @@ public override MixedSubId Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSer
         /// <param name="writer"></param>
         /// <param name="mixedSubId"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, MixedSubId mixedSubId, JsonSerializerOptions jsonSerializerOptions)
         {
             if (mixedSubId.IdOption.IsSet && mixedSubId.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
index d9971e56423d..aceb8d425b94 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Model200Response.cs
@@ -179,7 +179,6 @@ public override Model200Response Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Model200Response model200Respo
         /// <param name="writer"></param>
         /// <param name="model200Response"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Model200Response model200Response, JsonSerializerOptions jsonSerializerOptions)
         {
             if (model200Response.ClassOption.IsSet && model200Response.Class == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
index 429d211bd3f2..2d1e29add011 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ModelClient.cs
@@ -156,7 +156,6 @@ public override ModelClient Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, ModelClient modelClient, JsonS
         /// <param name="writer"></param>
         /// <param name="modelClient"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ModelClient modelClient, JsonSerializerOptions jsonSerializerOptions)
         {
             if (modelClient.VarClientOption.IsSet && modelClient.VarClient == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Name.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Name.cs
index 8d1f2aeb0db8..4517587d378c 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Name.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Name.cs
@@ -262,7 +262,6 @@ public override Name Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Name name, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="name"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Name name, JsonSerializerOptions jsonSerializerOptions)
         {
             if (name.PropertyOption.IsSet && name.Property == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
index 883b72447c75..c67599315467 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NotificationtestGetElementsV1ResponseMPayload.cs
@@ -171,7 +171,6 @@ public override NotificationtestGetElementsV1ResponseMPayload Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, NotificationtestGetElementsV1R
         /// <param name="writer"></param>
         /// <param name="notificationtestGetElementsV1ResponseMPayload"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NotificationtestGetElementsV1ResponseMPayload notificationtestGetElementsV1ResponseMPayload, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WritePropertyName("a_objVariableobject");
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
index dd795c454755..7004be254436 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NullableClass.cs
@@ -389,7 +389,6 @@ public override NullableClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -404,7 +403,6 @@ public override void Write(Utf8JsonWriter writer, NullableClass nullableClass, J
         /// <param name="writer"></param>
         /// <param name="nullableClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableClass nullableClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableClass.ArrayItemsNullableOption.IsSet && nullableClass.ArrayItemsNullable == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
index b3f079055bad..450d192600cb 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NullableGuidClass.cs
@@ -154,7 +154,6 @@ public override NullableGuidClass Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -169,7 +168,6 @@ public override void Write(Utf8JsonWriter writer, NullableGuidClass nullableGuid
         /// <param name="writer"></param>
         /// <param name="nullableGuidClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableGuidClass nullableGuidClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (nullableGuidClass.UuidOption.IsSet)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
index dcbb486a9920..78d92ffdff79 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NullableShape.cs
@@ -213,7 +213,6 @@ public override NullableShape Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, NullableShape nullableShape, J
         /// <param name="writer"></param>
         /// <param name="nullableShape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NullableShape nullableShape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
index f9c0e035e424..1ef25662ecf5 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/NumberOnly.cs
@@ -156,7 +156,6 @@ public override NumberOnly Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSer
         /// <param name="writer"></param>
         /// <param name="numberOnly"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, NumberOnly numberOnly, JsonSerializerOptions jsonSerializerOptions)
         {
             if (numberOnly.JustNumberOption.IsSet && numberOnly.JustNumber == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
index 1cf2977d186e..e71b7f7939c3 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ObjectWithDeprecatedFields.cs
@@ -228,7 +228,6 @@ public override ObjectWithDeprecatedFields Read(ref Utf8JsonReader utf8JsonReade
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -243,7 +242,6 @@ public override void Write(Utf8JsonWriter writer, ObjectWithDeprecatedFields obj
         /// <param name="writer"></param>
         /// <param name="objectWithDeprecatedFields"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ObjectWithDeprecatedFields objectWithDeprecatedFields, JsonSerializerOptions jsonSerializerOptions)
         {
             if (objectWithDeprecatedFields.BarsOption.IsSet && objectWithDeprecatedFields.Bars == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
index af0ceaa278b0..6a272e1b6e8a 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/OneOfString.cs
@@ -143,7 +143,6 @@ public override OneOfString Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -158,7 +157,6 @@ public override void Write(Utf8JsonWriter writer, OneOfString oneOfString, JsonS
         /// <param name="writer"></param>
         /// <param name="oneOfString"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OneOfString oneOfString, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Order.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Order.cs
index 610909884b0f..21414cb6105d 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Order.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Order.cs
@@ -366,7 +366,6 @@ public override Order Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -381,7 +380,6 @@ public override void Write(Utf8JsonWriter writer, Order order, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="order"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Order order, JsonSerializerOptions jsonSerializerOptions)
         {
             if (order.CompleteOption.IsSet && order.Complete == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
index 99b0abbaa0f5..c455c6d87241 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/OuterComposite.cs
@@ -202,7 +202,6 @@ public override OuterComposite Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -217,7 +216,6 @@ public override void Write(Utf8JsonWriter writer, OuterComposite outerComposite,
         /// <param name="writer"></param>
         /// <param name="outerComposite"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, OuterComposite outerComposite, JsonSerializerOptions jsonSerializerOptions)
         {
             if (outerComposite.MyBooleanOption.IsSet && outerComposite.MyBoolean == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
index a5c2a2f12ef1..e2eee3e04ee6 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ParentPet.cs
@@ -132,7 +132,6 @@ public override ParentPet Read(ref Utf8JsonReader utf8JsonReader, Type typeToCon
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (parentPet is ChildCat childCat){
@@ -152,7 +151,6 @@ public override void Write(Utf8JsonWriter writer, ParentPet parentPet, JsonSeria
         /// <param name="writer"></param>
         /// <param name="parentPet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ParentPet parentPet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("pet_type", parentPet.PetType);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Pet.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Pet.cs
index 33a3d6dece38..b11ba88083fc 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Pet.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Pet.cs
@@ -353,7 +353,6 @@ public override Pet Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -368,7 +367,6 @@ public override void Write(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pet"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pet pet, JsonSerializerOptions jsonSerializerOptions)
         {
             if (pet.CategoryOption.IsSet && pet.Category == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Pig.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Pig.cs
index 8922e573ab0f..d7cf2044a024 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Pig.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Pig.cs
@@ -213,7 +213,6 @@ public override Pig Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="pig"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Pig pig, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
index befe6e02ec3a..75d26e5651e5 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/PolymorphicProperty.cs
@@ -225,7 +225,6 @@ public override PolymorphicProperty Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, PolymorphicProperty polymorphi
         /// <param name="writer"></param>
         /// <param name="polymorphicProperty"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, PolymorphicProperty polymorphicProperty, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
index bb695bd00b79..eaf989412ccc 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Quadrilateral.cs
@@ -213,7 +213,6 @@ public override Quadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Quadrilateral quadrilateral, J
         /// <param name="writer"></param>
         /// <param name="quadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Quadrilateral quadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
index 8d7a57c59526..860e115ad157 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/QuadrilateralInterface.cs
@@ -152,7 +152,6 @@ public override QuadrilateralInterface Read(ref Utf8JsonReader utf8JsonReader, T
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, QuadrilateralInterface quadril
         /// <param name="writer"></param>
         /// <param name="quadrilateralInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, QuadrilateralInterface quadrilateralInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", quadrilateralInterface.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
index 3fbd226849a8..40b6be4e4165 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ReadOnlyFirst.cs
@@ -217,7 +217,6 @@ public override ReadOnlyFirst Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -232,7 +231,6 @@ public override void Write(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, J
         /// <param name="writer"></param>
         /// <param name="readOnlyFirst"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ReadOnlyFirst readOnlyFirst, JsonSerializerOptions jsonSerializerOptions)
         {
             if (readOnlyFirst.BarOption.IsSet && readOnlyFirst.Bar == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
index fae1bd2034ce..91135420a586 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/RequiredClass.cs
@@ -2217,7 +2217,6 @@ public override RequiredClass Read(ref Utf8JsonReader utf8JsonReader, Type typeT
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -2232,7 +2231,6 @@ public override void Write(Utf8JsonWriter writer, RequiredClass requiredClass, J
         /// <param name="writer"></param>
         /// <param name="requiredClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RequiredClass requiredClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (requiredClass.NotRequiredNotnullableDatePropOption.IsSet && requiredClass.NotRequiredNotnullableDateProp == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Result.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Result.cs
index 533d484093fd..b4d4a5929709 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Result.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Result.cs
@@ -205,7 +205,6 @@ public override Result Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -220,7 +219,6 @@ public override void Write(Utf8JsonWriter writer, Result result, JsonSerializerO
         /// <param name="writer"></param>
         /// <param name="result"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Result result, JsonSerializerOptions jsonSerializerOptions)
         {
             if (result.CodeOption.IsSet && result.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Return.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Return.cs
index c44b71b7659b..7a33ca9ddb15 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Return.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Return.cs
@@ -214,7 +214,6 @@ public override Return Read(ref Utf8JsonReader utf8JsonReader, Type typeToConver
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -229,7 +228,6 @@ public override void Write(Utf8JsonWriter writer, Return varReturn, JsonSerializ
         /// <param name="writer"></param>
         /// <param name="varReturn"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Return varReturn, JsonSerializerOptions jsonSerializerOptions)
         {
             if (varReturn.VarReturnOption.IsSet && varReturn.VarReturn == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
index 455206911cd3..8a95a1148df5 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/RolesReportsHash.cs
@@ -179,7 +179,6 @@ public override RolesReportsHash Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHash rolesReportsH
         /// <param name="writer"></param>
         /// <param name="rolesReportsHash"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHash rolesReportsHash, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHash.RoleOption.IsSet && rolesReportsHash.Role == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
index 367680a1a300..2b94fa2026fd 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/RolesReportsHashRole.cs
@@ -156,7 +156,6 @@ public override RolesReportsHashRole Read(ref Utf8JsonReader utf8JsonReader, Typ
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, RolesReportsHashRole rolesRepo
         /// <param name="writer"></param>
         /// <param name="rolesReportsHashRole"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, RolesReportsHashRole rolesReportsHashRole, JsonSerializerOptions jsonSerializerOptions)
         {
             if (rolesReportsHashRole.NameOption.IsSet && rolesReportsHashRole.Name == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
index d8eac4a684ce..498f37a358c7 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ScaleneTriangle.cs
@@ -171,7 +171,6 @@ public override ScaleneTriangle Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangl
         /// <param name="writer"></param>
         /// <param name="scaleneTriangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ScaleneTriangle scaleneTriangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", scaleneTriangle.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Shape.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Shape.cs
index 49b8e42ab4f9..71a1d4cb0ec0 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Shape.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Shape.cs
@@ -213,7 +213,6 @@ public override Shape Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, Shape shape, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="shape"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Shape shape, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
index 3fce1535c904..356459fbd154 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ShapeInterface.cs
@@ -152,7 +152,6 @@ public override ShapeInterface Read(ref Utf8JsonReader utf8JsonReader, Type type
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, ShapeInterface shapeInterface,
         /// <param name="writer"></param>
         /// <param name="shapeInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeInterface shapeInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("shapeType", shapeInterface.ShapeType);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
index fa998a6ecdd7..17df1392c391 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ShapeOrNull.cs
@@ -213,7 +213,6 @@ public override ShapeOrNull Read(ref Utf8JsonReader utf8JsonReader, Type typeToC
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -240,7 +239,6 @@ public override void Write(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonS
         /// <param name="writer"></param>
         /// <param name="shapeOrNull"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ShapeOrNull shapeOrNull, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
index 179b7c602d12..98336ddd3bbf 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/SimpleQuadrilateral.cs
@@ -171,7 +171,6 @@ public override SimpleQuadrilateral Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -186,7 +185,6 @@ public override void Write(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuad
         /// <param name="writer"></param>
         /// <param name="simpleQuadrilateral"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SimpleQuadrilateral simpleQuadrilateral, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("quadrilateralType", simpleQuadrilateral.QuadrilateralType);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
index 51235500e5cc..ad59ab442459 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/SpecialModelName.cs
@@ -179,7 +179,6 @@ public override SpecialModelName Read(ref Utf8JsonReader utf8JsonReader, Type ty
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, SpecialModelName specialModelN
         /// <param name="writer"></param>
         /// <param name="specialModelName"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, SpecialModelName specialModelName, JsonSerializerOptions jsonSerializerOptions)
         {
             if (specialModelName.VarSpecialModelNameOption.IsSet && specialModelName.VarSpecialModelName == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Tag.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Tag.cs
index 04b4e2a7feb8..e2213d2d75e1 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Tag.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Tag.cs
@@ -179,7 +179,6 @@ public override Tag Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -194,7 +193,6 @@ public override void Write(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions
         /// <param name="writer"></param>
         /// <param name="tag"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Tag tag, JsonSerializerOptions jsonSerializerOptions)
         {
             if (tag.IdOption.IsSet && tag.Id == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
index 77efc5ff13d4..bae68ea3d331 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordList.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordList Read(ref Utf8JsonReader utf8Jso
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordList"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordList testCollectionEndingWithWordList, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordList.ValueOption.IsSet && testCollectionEndingWithWordList.Value == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
index d58df26387cf..272a27134f49 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestCollectionEndingWithWordListObject.cs
@@ -156,7 +156,6 @@ public override TestCollectionEndingWithWordListObject Read(ref Utf8JsonReader u
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestCollectionEndingWithWordLi
         /// <param name="writer"></param>
         /// <param name="testCollectionEndingWithWordListObject"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestCollectionEndingWithWordListObject testCollectionEndingWithWordListObject, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testCollectionEndingWithWordListObject.TestCollectionEndingWithWordListOption.IsSet && testCollectionEndingWithWordListObject.TestCollectionEndingWithWordList == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
index 39a686cd928e..3812a5f24758 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestDescendants.cs
@@ -261,7 +261,6 @@ public override TestDescendants Read(ref Utf8JsonReader utf8JsonReader, Type typ
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testDescendants is Descendant1 descendant1){
@@ -286,7 +285,6 @@ public override void Write(Utf8JsonWriter writer, TestDescendants testDescendant
         /// <param name="writer"></param>
         /// <param name="testDescendants"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestDescendants testDescendants, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("alternativeName", testDescendants.AlternativeName);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
index 1e931bd94731..9c44f845a1ac 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestInlineFreeformAdditionalPropertiesRequest.cs
@@ -156,7 +156,6 @@ public override TestInlineFreeformAdditionalPropertiesRequest Read(ref Utf8JsonR
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -171,7 +170,6 @@ public override void Write(Utf8JsonWriter writer, TestInlineFreeformAdditionalPr
         /// <param name="writer"></param>
         /// <param name="testInlineFreeformAdditionalPropertiesRequest"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestInlineFreeformAdditionalPropertiesRequest testInlineFreeformAdditionalPropertiesRequest, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testInlineFreeformAdditionalPropertiesRequest.SomePropertyOption.IsSet && testInlineFreeformAdditionalPropertiesRequest.SomeProperty == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestResult.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
index 5da58612b7ef..d8f5f794a076 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TestResult.cs
@@ -204,7 +204,6 @@ public override TestResult Read(ref Utf8JsonReader utf8JsonReader, Type typeToCo
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -219,7 +218,6 @@ public override void Write(Utf8JsonWriter writer, TestResult testResult, JsonSer
         /// <param name="writer"></param>
         /// <param name="testResult"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TestResult testResult, JsonSerializerOptions jsonSerializerOptions)
         {
             if (testResult.CodeOption.IsSet && testResult.Code == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Triangle.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
index 1ef3b35e8e9c..8a2e561cc3c2 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Triangle.cs
@@ -237,7 +237,6 @@ public override Triangle Read(ref Utf8JsonReader utf8JsonReader, Type typeToConv
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -270,7 +269,6 @@ public override void Write(Utf8JsonWriter writer, Triangle triangle, JsonSeriali
         /// <param name="writer"></param>
         /// <param name="triangle"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Triangle triangle, JsonSerializerOptions jsonSerializerOptions)
         {
 
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
index ed4592635d34..9a4682473fb4 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/TriangleInterface.cs
@@ -152,7 +152,6 @@ public override TriangleInterface Read(ref Utf8JsonReader utf8JsonReader, Type t
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -167,7 +166,6 @@ public override void Write(Utf8JsonWriter writer, TriangleInterface triangleInte
         /// <param name="writer"></param>
         /// <param name="triangleInterface"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, TriangleInterface triangleInterface, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteString("triangleType", triangleInterface.TriangleType);
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/User.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/User.cs
index 6371c3897a76..f0bc20b7756d 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/User.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/User.cs
@@ -405,7 +405,6 @@ public override User Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert,
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -420,7 +419,6 @@ public override void Write(Utf8JsonWriter writer, User user, JsonSerializerOptio
         /// <param name="writer"></param>
         /// <param name="user"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, User user, JsonSerializerOptions jsonSerializerOptions)
         {
             if (user.EmailOption.IsSet && user.Email == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Whale.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Whale.cs
index a862447465b1..e43fef0983cd 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Whale.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Whale.cs
@@ -198,7 +198,6 @@ public override Whale Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -213,7 +212,6 @@ public override void Write(Utf8JsonWriter writer, Whale whale, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="whale"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Whale whale, JsonSerializerOptions jsonSerializerOptions)
         {
             if (whale.HasBaleenOption.IsSet && whale.HasBaleen == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Zebra.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
index 4d6c01689db7..d501d9990668 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/Zebra.cs
@@ -262,7 +262,6 @@ public override Zebra Read(ref Utf8JsonReader utf8JsonReader, Type typeToConvert
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -277,7 +276,6 @@ public override void Write(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOpt
         /// <param name="writer"></param>
         /// <param name="zebra"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, Zebra zebra, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zebra.TypeOption.IsSet && zebra.Type == null)
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
index 44b24d2dad67..55b029c7fd90 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/ZeroBasedEnumClass.cs
@@ -229,7 +229,6 @@ public override ZeroBasedEnumClass Read(ref Utf8JsonReader utf8JsonReader, Type
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             writer.WriteStartObject();
@@ -244,7 +243,6 @@ public override void Write(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEn
         /// <param name="writer"></param>
         /// <param name="zeroBasedEnumClass"></param>
         /// <param name="jsonSerializerOptions"></param>
-        /// <exception cref="NotImplementedException"></exception>
         public void WriteProperties(Utf8JsonWriter writer, ZeroBasedEnumClass zeroBasedEnumClass, JsonSerializerOptions jsonSerializerOptions)
         {
             if (zeroBasedEnumClass.ZeroBasedEnumOption.IsSet && zeroBasedEnumClass.ZeroBasedEnum == null)