protected final List<SuggestItem> items;

    /**
     * Constructor for SuggestResponse.
     * @param index The index name.
     * @param tookMs The time taken in milliseconds.
     * @param words The list of suggested words.
     * @param total The total number of hits.
     * @param items The list of suggested items.
     */
    public SuggestResponse(final String index, final long tookMs, final List<String> words, final long total,

        List<String> words = new ArrayList<>();
        SuggestResponse response = new SuggestResponse("my-index", 50, words, 5, new ArrayList<>());

        assertEquals("my-index", response.getIndex());
    }

    @Test
    public void test_getTookMs() throws Exception {
        List<String> words = new ArrayList<>();
        SuggestResponse response = new SuggestResponse("test-index", 250, words, 5, new ArrayList<>());

        indexItems();

        SuggestResponse response = suggester.suggest().setQuery("test").execute().getResponse();

        assertNotNull(response);
        assertEquals(1, response.getNum());
    }

    @Test
    public void test_setIndex() throws Exception {
        indexItems();

        final Deferred<SuggestResponse> deferred = new Deferred<>();

        Thread th = new Thread(() -> {
            try {
                Thread.sleep(1000);
            } catch (InterruptedException ignore) {}
            deferred.resolve(new SuggestResponse("", 0, Collections.emptyList(), 0, null));
        });
        th.start();

 * Builder class for constructing {@link SuggestRequest} instances.
 * This builder provides methods to set various parameters for the suggest request.
 */
public class SuggestRequestBuilder extends RequestBuilder<SuggestRequest, SuggestResponse> {
    /**
     * Constructor for SuggestRequestBuilder.
     * @param client The OpenSearch client.
     * @param readingConverter The reading converter.
     * @param normalizer The normalizer.
     */