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