public Builder mergeHatchery(org.bwapi.proxy.messages.GameMessages.UnitId value) {
        if (hatcheryBuilder_ == null) {
          if (((bitField3_ & 0x00000080) == 0x00000080) &&
              hatchery_ != org.bwapi.proxy.messages.GameMessages.UnitId.getDefaultInstance()) {
            hatchery_ =
              org.bwapi.proxy.messages.GameMessages.UnitId.newBuilder(hatchery_).mergeFrom(value).buildPartial();
          } else {
            hatchery_ = value;
          }
          onChanged();
        } else {
          hatcheryBuilder_.mergeFrom(value);
        }
        bitField3_ |= 0x00000080;
        return this;
      }