public Parser recordingMode() {
        if (recordingModeParser == null) {
           FutureParser future = scoped("recordingMode");
           recordingModeParser = future;
           future.setParser(
               sequence(
                   token("RECORDING"),
                   optional(
                       token("MODE")
                   ),
                   optional(
                       token("IS")
                   ),
                   choice(
                       token("F"),
                       token("V"),
                       token("U"),
                       token("S"),
                       token("FIXED"),
                       token("VARIABLE")
                   )
               )
           );
        }

        return recordingModeParser;
    }