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<>());

        this.matchWordFirst = matchWordFirst;
        this.queryBuilder = queryBuilder;
    }

    /**
     * Creates a SuggestResponse from the OpenSearch SearchResponse.
     * @param searchResponse The OpenSearch SearchResponse.
     * @return A SuggestResponse instance.
     */
    public SuggestResponse createResponse(final SearchResponse searchResponse) {
        final SearchHit[] hits = searchResponse.getHits().getHits();

        indexItems();

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

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

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

    @Test
    public void test_promiseChaining_returnsSamePromise() throws Exception {
        final Deferred<SuggestResponse> deferred = new Deferred<>();

        Deferred<SuggestResponse>.Promise promise1 = deferred.promise();
        Deferred<SuggestResponse>.Promise promise2 = promise1.then(response -> {});
        Deferred<SuggestResponse>.Promise promise3 = promise2.error(error -> {});

        // All should be the same promise instance

        suggester.refresh();

        SuggestResponse response1 = suggester.suggest().setQuery("tes").setSuggestDetail(true).execute().getResponse();
        assertEquals(1, response1.getNum());
        SuggestResponse response2 = suggester.suggest().setQuery("hoge").setSuggestDetail(true).execute().getResponse();
        assertEquals(1, response2.getNum());

    }

    /**
     * Creates a SuggestResponse from the OpenSearch SearchResponse.
     * @param searchResponse The OpenSearch SearchResponse.
     * @return A SuggestResponse instance.
     * @deprecated Use {@link SuggestResponseCreator#createResponse(SearchResponse)} instead.
     */
    @Deprecated
    protected SuggestResponse createResponse(final SearchResponse searchResponse) {

);

suggester.indexer().index(item);
```

#### 3. Get Suggestions

```java
import org.codelibs.fess.suggest.request.suggest.SuggestResponse;

// Synchronous suggestion request
SuggestResponse response = suggester.suggest()
    .setQuery("sea")                    // user input
    .setSize(10)                        // max suggestions
    .execute()
    .getResponse();

 * 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.
     */

            }

            final SuggestResponse suggestResponse = builder.execute().getResponse();

            buf.append("\"query_time\":").append(suggestResponse.getTookMs());
            buf.append(",\"record_count\":").append(suggestResponse.getTotal());
            buf.append(",\"page_size\":").append(suggestResponse.getNum());

            if (!suggestResponse.getItems().isEmpty()) {