.endObject()
                        .endObject())
                .execute()
                .actionGet();

        client.admin().indices().prepareRefresh(SUGGEST_INDEX).execute().actionGet();
    }

    @Test
    public void testConstructor() {
        // Test constructor initialization

                client.admin().indices().prepareGetIndex().addIndices(updateAlias).execute().actionGet(fessConfig.getIndexIndicesTimeout());
        final String[] updateIndices = response1.indices();
        final GetIndexResponse response2 =
                client.admin().indices().prepareGetIndex().addIndices(searchAlias).execute().actionGet(fessConfig.getIndexIndicesTimeout());
        final String[] searchIndices = response2.indices();

        // 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();

        // Delete by query

                    .setQuery(queryBuilder)
                    .setSize(500)
                    .setScroll(settings.getScrollTimeout())
                    .execute()
                    .actionGet(settings.getSearchTimeout());
            String scrollId = response.getScrollId();
            try {
                while (scrollId != null) {
                    final SearchHit[] hits = response.getHits().getHits();

     */
    public <T> T get(final Function<FesenClient, ActionFuture<T>> func) {
        int retryCount = 0;
        while (true) {
            try {
                return func.apply(this).actionGet(connTimeout, TimeUnit.MILLISECONDS);
            } catch (final IndexNotFoundException | VersionConflictEngineException e) {
                logger.debug("{} occurs.", e.getClass().getName(), e);
                throw e;