public Builder mergeTheID(org.bwapi.proxy.messages.GameMessages.UnitId value) {
        if (theIDBuilder_ == null) {
          if (((bitField0_ & 0x00000001) == 0x00000001) &&
              theID_ != org.bwapi.proxy.messages.GameMessages.UnitId.getDefaultInstance()) {
            theID_ =
              org.bwapi.proxy.messages.GameMessages.UnitId.newBuilder(theID_).mergeFrom(value).buildPartial();
          } else {
            theID_ = value;
          }
          onChanged();
        } else {
          theIDBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x00000001;
        return this;
      }