}

    /**
     * Creates a new PopularWordsRequestBuilder for querying popular words.
     * @return A PopularWordsRequestBuilder instance.
     */
    public PopularWordsRequestBuilder popularWords() {
        return new PopularWordsRequestBuilder(client).setIndex(getSearchAlias(index));
    }

    /**

        // Something was parsed. It's possible the entire string was not consumed but we ignore
        // that. If any of the BROWSER_COMPATIBLE_DATE_FORMAT_STRINGS ended in "'GMT'" we'd have
        // to also check that position.getIndex() == value.length() otherwise parsing might have
        // terminated early, ignoring things like "+01:00". Leaving this as != 0 means that any
        // trailing junk is ignored.
        return result
      }
    }

        final List<SuggestItem> firstItems = new ArrayList<>();
        final List<SuggestItem> secondItems = new ArrayList<>();

        final String index;
        if (hits.length > 0) {
            index = hits[0].getIndex();
        } else {
            index = SuggestConstants.EMPTY_STRING;
        }

        final boolean singleWordQuery = isSingleWordQuery(query);
        final boolean hiraganaQuery = isHiraganaQuery(query);

     *
     * @return the current index
     */
    public int getIndex() {
        return index;
    }

    /**
     * Sets the current index position in the buffer.
     *
     * @param index the new index position
     */
    public void setIndex(final int index) {
        this.index = index;
    }

    /**
     * Returns the capacity of the buffer.

        final List<String> words = new ArrayList<>();
        final List<SuggestItem> items = new ArrayList<>();

        final String index;
        if (hits.length > 0) {
            index = hits[0].getIndex();
        } else {
            index = SuggestConstants.EMPTY_STRING;
        }

        for (final SearchHit hit : hits) {
            final Map<String, Object> source = hit.getSourceAsMap();

        public void refresh() {
            // Mock implementation
        }

        public void createIndexIfNothing() {
            // Mock implementation
        }

        public String getIndex() {
            return "fess.suggest";
        }

        public long getAllWordsNum() {
            return 100L;
        }

        public long getDocumentWordsNum() {
            return 50L;

        final ParsePosition pos = new ParsePosition(0);
        final Date date = format.parse(str, pos);
        if (date == null) {
            return null;
        }
        final int index = pos.getIndex();
        if (index == 0) {
            return null;
        }
        if (index < str.length()) {
            return null;
        }
        return date;
    }

    /**

     *
     * @return the current index
     */
    public int getIndex() {
        return this.index;
    }

    /**
     * Sets the current index position in the buffer.
     *
     * @param index the new index position
     */
    public void setIndex(final int index) {
        this.index = index;
    }

    /**
     * Returns the capacity of the buffer.

    /**
     * Gets the OpenSearch index name.
     *
     * @return The index name.
     */
    public String getIndex() {
        return index;
    }

    /**
     * Sets the OpenSearch index name.
     *
     * @param index The index name.
     */
    public void setIndex(final String index) {
        this.index = index;
    }

    /**
     * Gets the scroll timeout in milliseconds.

                        SearchEngineUtil.scroll(alias, hit -> {
                            try {
                                writer.write("{\"index\":{\"_index\":\"" + hit.getIndex() + "\",\"_id\":\""
                                        + StringEscapeUtils.escapeJson(hit.getId()) + "\"}}\n");
                                writer.write(hit.getSourceAsString());