public Builder mergeStartTimer(JOutPiqi.timer value) {
        if (startTimerBuilder_ == null) {
          if (((bitField0_ & 0x00000002) == 0x00000002) &&
              startTimer_ != JOutPiqi.timer.getDefaultInstance()) {
            startTimer_ =
              JOutPiqi.timer.newBuilder(startTimer_).mergeFrom(value).buildPartial();
          } else {
            startTimer_ = value;
          }
          onChanged();
        } else {
          startTimerBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x00000002;
        return this;
      }