public Parser likeMods() {
        if (likeModsParser == null) {
           FutureParser future = scoped("likeMods");
           likeModsParser = future;
           future.setParser(
               choice(
                   trimmedRight(),
                   trimmedLeft(),
                   caseSensitive(),
                   caseInsensitive()
               )
           );
        }

        return likeModsParser;
    }