/**
     * 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.

        if (mergedItems.length == 0) {
            return new SuggestWriterResult();
        }

        for (final SuggestItem item : mergedItems) {
            final GetResponse getResponse = client.prepareGet().setIndex(index).setId(item.getId()).get(TimeValue.timeValueSeconds(30));
            if (update && getResponse.isExists()) {

    }

    /**
     * Sets the index for the request.
     * @param index The index name.
     * @return This builder instance.
     */
    public PopularWordsRequestBuilder setIndex(final String index) {
        request.setIndex(index);
        return this;
    }

    /**
     * Sets the size of results for the request.
     * @param size The size.
     * @return This builder instance.
     */

    }

    /**
     * Sets the index for the request.
     * @param index The index name.
     * @return This builder instance.
     */
    public SuggestRequestBuilder setIndex(final String index) {
        request.setIndex(index);
        return this;
    }

    /**
     * Sets the size of results for the request.
     * @param size The size.
     * @return This builder instance.
     */

        boolean doIndexCreate = false;
        boolean doCreate = false;
        try {
            final GetResponse getResponse =
                    client.prepareGet().setIndex(settingsIndexName).setId(settingsId).execute().actionGet(getSearchTimeout());

            if (!getResponse.isExists()) {
                doCreate = true;
            }
        } catch (final IndexNotFoundException e) {

        try {
            final XContentBuilder builder = JsonXContent.contentBuilder().map(source);
            builder.flush();
            client.prepareUpdate()
                    .setIndex(actualIndex)
                    .setId(id)
                    .setDocAsUpsert(true)
                    .setDoc(builder)
                    .execute()
                    .actionGet(settings.getIndexTimeout());

                    for (final SearchHit searchHit : searchHits) {
                        final UpdateRequestBuilder updateRequest =
                                c.prepareUpdate().setIndex(index).setId(searchHit.getId()).setDoc(SESSION_ID, newSessionId);
                        builder.add(updateRequest);
                    }

                    return builder.execute();
                });

        SuggestUtil.getAsList(123);
    }

    @Test
    public void testDeleteByQuery() {
        // Create test data
        client.prepareIndex().setIndex(TEST_INDEX).setId("1").setSource("field", "value1").execute().actionGet();
        client.prepareIndex().setIndex(TEST_INDEX).setId("2").setSource("field", "value2").execute().actionGet();
        client.admin().indices().prepareRefresh(TEST_INDEX).execute().actionGet();

    }

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

    /**

    private int queryFreqThreshold = 10;

    private final List<String> excludeWords = new ArrayList<>();

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

    /**
     * Sets the size of results.
     * @param size The size.
     */
    public void setSize(final int size) {
        this.size = size;