docs: private FieldConstraint makeSingleFieldConstraint(ConditionCol52 c,
                                                        List<BaseColumn> allColumns,
                                                        List<List<DTCellValue52>> data) {
  
          GuidedDTDRLOtherwiseHelper.OtherwiseBuilder builder = GuidedDTDRLOtherwiseHelper.getBuilder(c);
          return builder.makeFieldConstraint(c,
                                             allColumns,
                                             data);
      }