public KuromojiKatakanaStemmerFactory(IndexSettings indexSettings, Environment environment, String name, Settings settings) {
        super(indexSettings, name, settings);
        minimumLength = settings.getAsInt("minimum_length", JapaneseKatakanaStemFilter.DEFAULT_MINIMUM_LENGTH);
    }

    @Override
    public TokenStream create(TokenStream tokenStream) {
        return new JapaneseKatakanaStemFilter(tokenStream, minimumLength);

            final Settings settings) {
        super(indexSettings, settings, name);
        ignoreCase = settings.getAsBoolean("ignore_case", true);
        n = settings.getAsInt("n", NGramSynonymTokenizer.DEFAULT_N_SIZE);
        delimiters = settings.get("delimiters", NGramSynonymTokenizer.DEFAULT_DELIMITERS);
        expand = settings.getAsBoolean("expand", true);

            final Settings settings) {
        super(indexSettings, name, settings);

        maxTokenLength = settings.getAsInt("max_token_length", AlphaNumWordFilter.DEFAULT_MAX_TOKEN_LENGTH);
    }

    @Override
    public TokenStream create(final TokenStream tokenStream) {

    }

    @Test
    public void test_setAndGetAsInt() {
        String key = "key";
        int value = 1;
        settings.set(key, value);
        assertEquals(value, settings.getAsInt(key, -1));
    }

    @Test
    public void test_setAndGetAsLong() {
        String key = "key";
        long value = Long.MAX_VALUE;
        settings.set(key, value);

        mode = getMode(settings);
        userDictionary = getUserDictionary(env, settings);
        discartPunctuation = settings.getAsBoolean("discard_punctuation", true);
        nBestCost = settings.getAsInt(NBEST_COST, -1);
        nBestExamples = settings.get(NBEST_EXAMPLES);
    }

    private static String parse(String rule, Set<String> dup) {
        String[] values = CSVUtil.parse(rule);