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();

        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());

        return functionScoreQueryBuilder;
    }

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

            }

            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()) {

);

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.
     */