when(mockClient.prepareSearch("test-index")).thenReturn(mockSearchBuilder);
        when(mockSearchBuilder.setScroll(any(Scroll.class))).thenReturn(mockSearchBuilder);
        when(mockSearchBuilder.setSize(10)).thenReturn(mockSearchBuilder);
        when(mockSearchBuilder.setQuery(any())).thenReturn(mockSearchBuilder);
        when(mockSearchBuilder.execute()).thenReturn(mockSearchFuture);

                .setScroll(new TimeValue(scrollTimeout))
                .setQuery(QueryBuilders.boolQuery().filter(QueryBuilders.termQuery(SESSION_ID, sessionId)))
                .setSize(scrollSize)
                .execute());
        String scrollId = response.getScrollId();
        try {
            while (scrollId != null) {
                final SearchHits searchHits = response.getHits();

     */
    public int getCount(final Consumer<SearchRequestBuilder> callback) {
        final TotalHits totalHits = getClient().get(c -> {
            final SearchRequestBuilder builder = c.prepareSearch(index).setSize(0).setTrackTotalHits(true);
            callback.accept(builder);
            return builder.execute();
        }).getHits().getTotalHits();
        return totalHits != null ? (int) totalHits.value() : 0;
    }

                searchRequestBuilder.setPreference(Constants.SEARCH_PREFERENCE_LOCAL)
                        .setQuery(pair.getValue2())
                        .setSize(keyMatch.getMaxSize());
                return true;
            });
        }
        return Collections.emptyList();
    }

    /**
     * Converts a string to lowercase.
     *

                    .setIndices(actualIndex)
                    .setScroll(settings.getScrollTimeout())
                    .setQuery(QueryBuilders.termQuery(FieldNames.ARRAY_KEY, key))
                    .setSize(DEFAULT_SEARCH_SIZE)
                    .execute()
                    .actionGet(settings.getSearchTimeout());
            String scrollId = response.getScrollId();

                .setScroll(new TimeValue(scrollTimeout))
                .setQuery(QueryBuilders.boolQuery().filter(QueryBuilders.termQuery(SESSION_ID, oldSessionId)))
                .setSize(scrollSize)
                .execute());
        String scrollId = response.getScrollId();
        try {
            while (scrollId != null) {
                final SearchHits searchHits = response.getHits();

        }

        final List<SuggestItem> updateItems = new ArrayList<>();
        SearchResponse response = client.prepareSearch(index)
                .setSize(500)
                .setScroll(settings.getScrollTimeout())
                .setQuery(QueryBuilders.rangeQuery(freqField).gte(1))
                .execute()
                .actionGet(settings.getSearchTimeout());

            final QueryBuilder queryBuilder) {
        try {
            SearchResponse response = client.prepareSearch(index)
                    .setQuery(queryBuilder)
                    .setSize(500)
                    .setScroll(settings.getScrollTimeout())
                    .execute()
                    .actionGet(settings.getSearchTimeout());
            String scrollId = response.getScrollId();

    }

    private long getNum(final QueryBuilder queryBuilder) {
        final SearchResponse searchResponse = client.prepareSearch()
                .setIndices(getSearchAlias(index))
                .setSize(0)
                .setQuery(queryBuilder)
                .setTrackTotalHits(true)
                .execute()
                .actionGet(suggestSettings.getSearchTimeout());

     */
    public int deleteByQuery(final String index, final QueryBuilder queryBuilder) {
        SearchResponse response =
                get(c -> c.prepareSearch(index).setScroll(scrollForDelete).setSize(sizeForDelete).setQuery(queryBuilder).execute());
        String scrollId = response.getScrollId();
        int count = 0;
        try {
            while (scrollId != null) {