public Parser disableStatement() {
        if (disableStatementParser == null) {
           FutureParser future = scoped("disableStatement");
           disableStatementParser = future;
           future.setParser(
               sequence(
                   token("DISABLE"),
                   choice(
                       sequence(
                           token("INPUT"),
                           optional(
                               token("TERMINAL")
                           )
                       ),
                       sequence(
                           token("I-O"),
                           token("TERMINAL")
                       ),
                       token("OUTPUT")
                   ),
                   cdName(),
                   optional(
                       token("WITH")
                   ),
                   token("KEY"),
                   choice(
                       literal(),
                       identifier()
                   )
               )
           );
        }

        return disableStatementParser;
    }