refresh();
    }

    /**
     * Deletes a bad word from the suggest index.
     *
     * @param badWord The bad word to delete.
     */
    public void deleteBadWord(final String badWord) {
        suggester.indexer().deleteBadWord(badWord);
        refresh();
    }

    /**
     * Refreshes the suggest index.
     */
    public synchronized void refresh() {
        suggester.refresh();

 * <li>{@link #indexFromSearchWord(String, String[], String[], String[], int, String[])} - Index from search word.
 * <li>{@link #addBadWord(String, boolean)} - Add a bad word and optionally apply it.
 * <li>{@link #deleteBadWord(String)} - Delete a bad word.
 * <li>{@link #addElevateWord(ElevateWord, boolean)} - Add an elevate word and optionally apply it.
 * <li>{@link #deleteElevateWord(String, boolean)} - Delete an elevate word and optionally apply it.

        try {
            badWordService.getBadWord(id).ifPresent(entity -> {
                try {
                    badWordService.delete(entity);
                    suggestHelper.deleteBadWord(entity.getSuggestWord());
                    saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
                } catch (final Exception e) {

        final String id = form.id;
        badWordService.getBadWord(id).ifPresent(entity -> {
            try {
                badWordService.delete(entity);
                suggestHelper.deleteBadWord(entity.getSuggestWord());
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);

        assertEquals(1, response3.getNum());

        assertEquals(2, suggester.settings().badword().get(false).length);
        suggester.indexer().deleteBadWord("[");
        suggester.indexer().deleteBadWord("ｴﾝｼﾞﾝ");
        assertEquals(0, suggester.settings().badword().get(false).length);
    }

    @Test
    public void test_popularWords() throws Exception {

        suggester.indexer().addBadWord("badword", false);

        String[] badWords = suggester.settings().badword().get(false);
        assertTrue(badWords.length > 0);

        suggester.indexer().deleteBadWord("badword");

        badWords = suggester.settings().badword().get(false);
        assertEquals(0, badWords.length);
    }

    @Test
    public void test_addElevateWord() throws Exception {