public Builder setHandleTimer(JInPiqi.handle_timer value) {
        if (handleTimerBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          handleTimer_ = value;
          onChanged();
        } else {
          handleTimerBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000010;
        return this;
      }