public Builder mergeMessage(JOutPiqi.message value) {
        if (messageBuilder_ == null) {
          if (((bitField0_ & 0x00000008) == 0x00000008) &&
              message_ != JOutPiqi.message.getDefaultInstance()) {
            message_ =
              JOutPiqi.message.newBuilder(message_).mergeFrom(value).buildPartial();
          } else {
            message_ = value;
          }
          onChanged();
        } else {
          messageBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x00000008;
        return this;
      }