private com.google.protobuf.RepeatedFieldBuilder<
          org.bwapi.proxy.messages.GameMessages.UnitId, org.bwapi.proxy.messages.GameMessages.UnitId.Builder, org.bwapi.proxy.messages.GameMessages.UnitIdOrBuilder> 
          getLoadedUnitsFieldBuilder() {
        if (loadedUnitsBuilder_ == null) {
          loadedUnitsBuilder_ = new com.google.protobuf.RepeatedFieldBuilder<
              org.bwapi.proxy.messages.GameMessages.UnitId, org.bwapi.proxy.messages.GameMessages.UnitId.Builder, org.bwapi.proxy.messages.GameMessages.UnitIdOrBuilder>(
                  loadedUnits_,
                  ((bitField1_ & 0x00000800) == 0x00000800),
                  getParentForChildren(),
                  isClean());
          loadedUnits_ = null;
        }
        return loadedUnitsBuilder_;
      }