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

    private String toLowerCase(final String term) {

        try {
            SearchResponse response = client.prepareSearch().setIndices(actualIndex).setScroll(settings.getScrollTimeout())
                    .setQuery(QueryBuilders.termQuery(FieldNames.ARRAY_KEY, key)).setSize(500).execute()
                    .actionGet(settings.getSearchTimeout());
            String scrollId = response.getScrollId();

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

        SearchResponse response = getClient().get(c -> c.prepareSearch(index).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();

    }

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

                if (!roleSet.isEmpty()) {
                    queryHelper.buildRoleQuery(roleSet, boolQuery);
                }
            }
            builder.setQuery(boolQuery);
            builder.setSize(fessConfig.getPagingSearchPageMaxSizeAsInteger());
            builder.setFetchSource(fields, null);
            queryHelper.processSearchPreference(builder, userBean, String.join(StringUtil.EMPTY, docIds));

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        SearchResponse response = option.apply(client.prepareSearch(index).setScroll(scrollForUpdate).setSize(sizeForUpdate)
                .setPreference(Constants.SEARCH_PREFERENCE_LOCAL)).execute().actionGet(fessConfig.getIndexScrollSearchTimeout());

        int count = 0;
        String scrollId = response.getScrollId();

    }

    public int deleteByQuery(final String index, final String type, 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) {

                builder.setQuery(queryBuilder);
                builder.setFrom(0);
                final int maxDocumentCacheSize = fessConfig.getIndexerWebfsMaxDocumentCacheSizeAsInteger();
                builder.setSize(maxDocumentCacheSize <= 0 ? 1 : maxDocumentCacheSize);
                builder.addSort(EsAccessResult.CREATE_TIME, SortOrder.ASC);
            };

            final DocList docList = new DocList();

            stream(parameter.getSuggestFields()).of(stream -> stream.forEach(builder::addField));
            roleQueryHelper.build(SearchRequestType.SUGGEST).stream().forEach(builder::addRole);
            builder.setSize(parameter.getNum());
            stream(langs).of(stream -> stream.forEach(builder::addLang));

            stream(parameter.getTags()).of(stream -> stream.forEach(builder::addTag));