*/
    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()

    protected long getDocumentSizeByQuery(final SearchEngineClient searchEngineClient, final QueryBuilder queryBuilder,
            final FessConfig fessConfig) {
        final SearchResponse countResponse = searchEngineClient.prepareSearch(fessConfig.getIndexDocumentUpdateIndex())
                .setQuery(queryBuilder)
                .setSize(0)
                .setTrackTotalHits(true)
                .execute()

        assertTrue(result);

        // Verify deletion
        client.admin().indices().prepareRefresh(TEST_INDEX).execute().actionGet();
        long count = client.prepareSearch(TEST_INDEX)
                .setQuery(QueryBuilders.termQuery("field", "value1"))
                .execute()
                .actionGet()
                .getHits()
                .getTotalHits()

    public static boolean deleteByQuery(final Client client, final SuggestSettings settings, final String index,
            final QueryBuilder queryBuilder) {
        try {
            SearchResponse response = client.prepareSearch(index)
                    .setQuery(queryBuilder)
                    .setSize(500)
                    .setScroll(settings.getScrollTimeout())
                    .execute()