.actionGet(settings.getSearchTimeout());
        String scrollId = response.getScrollId();
        try {
            while (scrollId != null) {
                final SearchHit[] hits = response.getHits().getHits();
                if (hits.length == 0) {
                    break;
                }
                for (final SearchHit hit : hits) {
                    final Map<String, Object> source = hit.getSourceAsMap();

        String scrollId = response.getScrollId();
        int count = 0;
        try {
            while (scrollId != null) {
                final SearchHit[] hits = response.getHits().getHits();
                if (hits.length == 0) {
                    break;
                }

                count += hits.length;
                final BulkResponse bulkResponse = get(c -> {

                .setQuery(queryBuilder)
                .setTrackTotalHits(true)
                .execute()
                .actionGet(suggestSettings.getSearchTimeout());
        return searchResponse.getHits().getTotalHits().value();
    }

    private String getSearchAlias(final String index) {
        return index;
    }

    private String getUpdateAlias(final String index) {

        long count = client.prepareSearch(TEST_INDEX)
                .setQuery(QueryBuilders.termQuery("field", "value1"))
                .execute()
                .actionGet()
                .getHits()
                .getTotalHits()
                .value();
        assertEquals(0, count);
    }

    @Test
    public void testDeleteByQueryWithNoMatches() {