}

    /**
     * Create array settings index name.
     * @param settingsIndexName Settings index name
     * @return Array settings index name
     */
    protected String createArraySettingsIndexName(final String settingsIndexName) {
        return settingsIndexName + "_array";
    }

    /**
     * Create ID.
     * @param key Key

     */
    public void addSitemap(final String url) {
        if (!sitemapList.contains(url)) {
            sitemapList.add(url);
        }
    }

    /**
     * Returns an array of sitemap URLs.
     *
     * @return an array of sitemap URLs
     */
    public String[] getSitemaps() {
        return sitemapList.toArray(new String[sitemapList.size()]);
    }

    /**

        // TODO parallel?
        final SuggestItem[] array = Stream.of(items).filter(item -> !item.isBadWord(badWords)).toArray(n -> new SuggestItem[n]);

        try {
            final long start = System.currentTimeMillis();
            final SuggestWriterResult result = suggestWriter.write(client, settings, index, array, true);

        }
        return id;
    }

    /**
     * Parses the given query string and returns an array of keywords.
     *
     * @param q the query string to be parsed
     * @param field the field to be used for keyword extraction
     * @return an array of keywords extracted from the query string, or an empty array if the number of keywords exceeds the maximum allowed or if any keyword exceeds the maximum length
     */

 * It interacts with an OpenSearch client to store and retrieve settings.
 *
 * <p>This class provides methods to initialize settings, get and set individual settings,
 * and manage various types of settings such as array settings, analyzer settings, bad word settings,
 * and elevate word settings.</p>
 *
 * <p>It also includes a nested TimeoutSettings class to manage various timeout configurations.</p>
 *
 * <p>Usage example:</p>
 * <pre>

        this.client = client;
        this.settings = settings;
        this.indexName = indexName;
        supportedFields = settings.array().get(SuggestSettings.DefaultKeys.SUPPORTED_FIELDS);
        totalDocNum = getTotal();
    }

    @Override
    public synchronized Map<String, Object> read() {
        while (!isFinished.get() && queue.isEmpty()) {

            this.duplicateTermRemoved = duplicateTermRemoved;
            return this;
        }

        /**
         * Sets the array of space characters to be used for text normalization.
         *
         * @param spaceChars an array of integers representing space characters
         * @return the current instance of TextNormalizeContext for method chaining
         */

        assertEquals(0, response2.getNum());
    }

    @Test
    public void test_indexFromQueryString() throws Exception {
        SuggestSettings settings = suggester.settings();
        String field = settings.array().get(SuggestSettings.DefaultKeys.SUPPORTED_FIELDS)[0];

        SuggestIndexResponse indexResponse = suggester.indexer().indexFromQueryLog(new QueryLog(field + ":検索", null));

        assertTrue(urlFilter.match("https://example.com/?page=1"));
        assertTrue(urlFilter.match("https://shop.com/item?$price=100"));
        assertFalse(urlFilter.match("https://example.com/array[]"));
    }

    /**
     * Test case sensitivity in patterns
     */
    public void test_caseSensitivity() {
        String sessionId = "test-session-019";
        urlFilter.init(sessionId);

        assertEquals("TEST", readings2.get(0));
    }

    @Test
    public void testConvertWithEmptyLanguageArray() throws IOException {
        // Test convert with empty language array
        converter.init();
        String text = "test";
        String field = "content";
        String[] langs = new String[0];

        List<String> readings = converter.convert(text, field, langs);