public Builder setHandleUserJoin(
          JInPiqi.handle_user_join.Builder builderForValue) {
        if (handleUserJoinBuilder_ == null) {
          handleUserJoin_ = builderForValue.build();
          onChanged();
        } else {
          handleUserJoinBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000002;
        return this;
      }