// Test isBadWord method
        String[] text = { "test", "text" };
        String[][] readings = { { "test" }, { "text" } };
        SuggestItem item = new SuggestItem(text, readings, null, 0L, 0L, 1.0f, null, null, null, SuggestItem.Kind.QUERY);

        // Test with no bad words
        String[] badWords = { "spam", "illegal" };
        assertFalse(item.isBadWord(badWords));

     * @return The SuggestIndexResponse.
     */
    public SuggestIndexResponse index(final SuggestItem[] items) {
        final SuggestItem[] array = Stream.of(items).filter(item -> !item.isBadWord(badWords)).toArray(SuggestItem[]::new);

        if (logger.isDebugEnabled()) {
            logger.debug("Indexing suggest items: index={}, totalItems={}, validItems={}, filteredByBadWords={}", index, items.length,