public Parser ioSectionBody() {
        if (ioSectionBodyParser == null) {
           FutureParser future = scoped("ioSectionBody");
           ioSectionBodyParser = future;
           future.setParser(
               sequence(
                   plus(
                       choice(
                           fileControlParagraph(),
                           ioControlParagraph()
                       )
                   ),
                   optional(
                       skipto(
                           choice(
                               paragraphStart(),
                               sectionStart(),
                               divisionStart()
                           )
                       )
                   )
               )
           );
        }

        return ioSectionBodyParser;
    }