Where to find WitnetRequestBoard.sol?

[artyomLisovskij]

1. changed all import "@witnet/*" to import "*, UsingWitnet.sol can be found at import "witnet-solidity-bridge/contracts/apps/UsingWitnet.sol";
2. got error:

   |
12 |         IWitnetRequest,
   |         ^^^^^^^^^^^^^^

okay, don't care, del interface inheritance, compiling
4. got error:

  --> contracts/RngWitnet.sol:18:18:
   |
18 |     event WrbSet(WitnetRequestBoard indexed witnetRequestBoard);
   |                  ^^^^^^^^^^^^^^^^^^

trying to find WitnetRequestBoard in package witnet-solidity-bridge -- no such, trying to find in witnet-solidity -- no such, just

[drcpu-github]

This is a pretty old project and there have been multiple iterations of the witnet-solidity package by now. It probably does not follow the same structure anymore. Best to ask in the #solidity channel of the Witnet Discord.