return getNum(QueryBuilders.rangeQuery(FieldNames.QUERY_FREQ).gte(1));
    }

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

     */
    protected Map<String, FieldAnalyzerMapping> getFieldAnalyzerMapping() {
        final Map<String, FieldAnalyzerMapping> mappingMap = new HashMap<>();
        SearchResponse response = client.prepareSearch(analyzerSettingsIndexName)
                .setQuery(QueryBuilders.termQuery(FieldNames.ANALYZER_SETTINGS_TYPE, FIELD_ANALYZER_MAPPING))
                .setScroll(settings.getScrollTimeout())
                .execute()