From c10df4af31ccbb570301ceb8d10f9e9ecaafa94f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fabian=20B=C3=A4umer?= <fabian.baeumer@rub.de>
Date: Mon, 19 Oct 2026 13:55:12 +0200
Subject: [PATCH] docs: Update README.md for Jackson 3

---
 README.md | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index f8d3a3c9..7244ed2c 100644
--- a/README.md
+++ b/README.md
@@ -102,9 +102,11 @@ ModifiableByteArray mba = new ModifiableByteArray();
 mba.setOriginalValue(new byte[]{1, 2, 3});
 
 // Create a Jackson object mapper for serialization
-ObjectMapper mapper = new ObjectMapper();
-mapper.registerModule(new ModifiableVariableModule());
-mapper.setVisibility(ModifiableVariableModule.getFieldVisibilityChecker());
+ObjectMapper mapper =
+        JsonMapper.builder()
+                .addModule(new ModifiableVariableModule())
+                .changeDefaultVisibility(vc -> ModifiableVariableModule.getFieldVisibilityChecker())
+                .build();
         
 // Serialize the array into JSON
 String jsonString = mapper.writeValueAsString(mba);