public Builder mergeSessionId(org.jetbrains.jps.javac.rpc.JavacRemoteProto.Message.UUID value) {
        if (sessionIdBuilder_ == null) {
          if (((bitField0_ & 0x00000001) != 0) &&
            sessionId_ != null &&
            sessionId_ != org.jetbrains.jps.javac.rpc.JavacRemoteProto.Message.UUID.getDefaultInstance()) {
            getSessionIdBuilder().mergeFrom(value);
          } else {
            sessionId_ = value;
          }
        } else {
          sessionIdBuilder_.mergeFrom(value);
        }
        if (sessionId_ != null) {
          bitField0_ |= 0x00000001;
          onChanged();
        }
        return this;
      }
public Builder mergeSessionId(org.jetbrains.jps.javac.rpc.JavacRemoteProto.Message.UUID value)