public Parser dataDescriptionEntry() {
        if (dataDescriptionEntryParser == null) {
           FutureParser future = scoped("dataDescriptionEntry");
           dataDescriptionEntryParser = future;
           future.setParser(
               choice(
                   constantDescriptionEntry(),
                   dataDescriptionEntry_format3(),
                   dataDescriptionEntry_format2(),
                   dataDescriptionEntry_format1()
               )
           );
        }

        return dataDescriptionEntryParser;
    }