code: private void validateTableOptionAgingCheckFrequency(TableDefinition tableDef,
                                                          String optValue) {
          new TaskFrequency(optValue);
          Utils.require(tableDef.getOption(CommonDefs.OPT_AGING_FIELD) != null,
                          "Option 'aging-check-frequency' requires option 'aging-field'");
      }
docs: Validate the table option "aging-check-frequency"