private com.google.protobuf.SingleFieldBuilder<
          org.bwapi.proxy.messages.GameMessages.UnitType, org.bwapi.proxy.messages.GameMessages.UnitType.Builder, org.bwapi.proxy.messages.GameMessages.UnitTypeOrBuilder> 
          getWhatResearchesFieldBuilder() {
        if (whatResearchesBuilder_ == null) {
          whatResearchesBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              org.bwapi.proxy.messages.GameMessages.UnitType, org.bwapi.proxy.messages.GameMessages.UnitType.Builder, org.bwapi.proxy.messages.GameMessages.UnitTypeOrBuilder>(
                  whatResearches_,
                  getParentForChildren(),
                  isClean());
          whatResearches_ = null;
        }
        return whatResearchesBuilder_;
      }