Seehttps://github.com/cactuaroid/protoc-gen-opcuafor further example. Input chat.proto1 syntax="proto3";// well known typesimport"google/protobuf/timestamp.proto";import"google/protobuf/empty.proto";optioncsharp_namespace="GrpcChatSample.Common";packageGrpcChatSample.Common;serviceChat{rpcWr...