code: protected Namer getManyToOneNamerFromConf(ColumnConfig fromAttributeColumnConfig, Namer targetEntityNamer) {
          if (fromAttributeColumnConfig.getManyToOneConfig() != null && fromAttributeColumnConfig.getManyToOneConfig().hasVar()) {
              return new AccessorNamer(targetEntityNamer, fromAttributeColumnConfig.getManyToOneConfig().getVar());
          }
  
          return null;
      }
docs: --------------------------------------------------------------