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

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

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

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

        assertNotNull(response);

        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());
        SuggestResponse response3 = suggester.suggest().setQuery("fuga").setSuggestDetail(true).execute().getResponse();

                .setQuery(QueryBuilders.termQuery("sessionId", sessionId1))
                .setSize(0)
                .execute()
                .actionGet()
                .getHits()
                .getTotalHits()
                .value() > 0);
        assertTrue(fesenClient.prepareSearch("fess_crawler.filter")
                .setQuery(QueryBuilders.termQuery("sessionId", sessionId2))

                .setQuery(QueryBuilders.termQuery("sessionId", "id1"))
                .execute()
                .actionGet()
                .getHits()
                .getTotalHits()
                .value() > 0);
        assertTrue(fesenClient.prepareSearch("fess_crawler.queue")
                .setQuery(QueryBuilders.termQuery("sessionId", "id2"))
                .execute()

        final List<T> results = new ArrayList<>();

        SearchResponse response = client.prepareSearch()
                .setIndices(index)
                .setScroll(settings.getScrollTimeout())
                .setQuery(query)
                .setSize(pageSize)
                .execute()
                .actionGet(settings.getSearchTimeout());
        String scrollId = response.getScrollId();

        try {

```

#### 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();

// Process suggestions
response.getItems().forEach(item -> {

 *
 * ESSourceReader reader = new ESSourceReader(client, settings, indexName);
 * reader.setScrollSize(1000); // Set the scroll size
 * reader.setLimitOfDocumentSize(1024 * 1024); // Limit document size to 1MB
 * reader.setQuery(QueryBuilders.termQuery("field", "value")); // Set a query
 *
 * Map<String, Object> document;
 * while ((document = reader.read()) != null) {
 *     // Process the document
 *     System.out.println(document);
 * }

    }

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

    /**
     * Adds a tag to filter by.
     * @param tag The tag.
     * @return This builder instance.
     */

        SearchHelper.SearchRequestParamsRewriter rewriter1 = p -> {
            ((MockSearchRequestParams) p).setQuery("rewritten1");
            return p;
        };
        SearchHelper.SearchRequestParamsRewriter rewriter2 = p -> {
            ((MockSearchRequestParams) p).setQuery("rewritten2");
            return p;
        };

        searchHelper.addRewriter(rewriter1);

            boolQueryBuilder.must(functionScoreQuery);
            filterList.forEach(boolQueryBuilder::filter);
            builder.setQuery(boolQueryBuilder);
        } else {
            builder.setQuery(functionScoreQuery);
        }

        builder.execute(new ActionListener<SearchResponse>() {
            @Override