final PopularWordsRequestBuilder popularWordsRequestBuilder = suggestHelper.suggester()
                        .popularWords()
                        .setSize(fessConfig.getSuggestPopularWordSizeAsInteger())
                        .setWindowSize(fessConfig.getSuggestPopularWordWindowSizeAsInteger())

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

    /**
     * Converts a string to lowercase.
     *

                final StorageItem item = new StorageItem(name, prefix, isDirectory, isDirectory ? 0 : blob.getSize(),
                        isDirectory ? null : lastModified, encodeId(blobName));

                if (isDirectory) {
                    items.add(item);
                } else {

        DirectoryCacheEntry.FileInfo fileInfo = entry.getChild(childName);
        assertNotNull(fileInfo);
        assertEquals(childName, fileInfo.getName());
        assertEquals(size, fileInfo.getSize());
        assertEquals(lastModified, fileInfo.getLastModified());
        assertEquals(isDirectory, fileInfo.isDirectory());
        assertEquals(attributes, fileInfo.getAttributes());

    }

    /**
     * Release a send region back to the pool
     *
     * @param region memory region to release
     */
    public void releaseSendRegion(RdmaMemoryRegion region) {
        if (region.getSize() == sendBufferSize && availableSendRegions.size() < initialSendBuffers * 2) {
            availableSendRegions.offer(region);
        } else {
            region.close();
            totalReleased.incrementAndGet();

            final long count = searchEngineClient.scrollSearch(fessConfig.getIndexDocumentSearchIndex(), requestBuilder -> {
                requestBuilder.setQuery(query).setSize(scrollSize);
                return true;
            }, source -> {
                exportDocument(source, exportPath, excludeFields, resolvedFormatter);

     */
    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;
    }

        assertEquals(4444L, resp.getChangeTime());
        assertEquals(123456789L, resp.getAllocationSize());
        assertEquals(987654321L, resp.getEndOfFile());
        assertEquals(987654321L, resp.getSize()); // SmbBasicFileInfo mapping
        assertEquals(0xA5A5A5A5, resp.getFileAttributes());
        assertEquals(0xA5A5A5A5, resp.getAttributes()); // SmbBasicFileInfo mapping
        assertArrayEquals(fileId, resp.getFileId());

        public String getName() {
            return name;
        }

        /**
         * Gets the size of this cached file in bytes
         * @return the file size
         */
        public long getSize() {
            return size;
        }

        /**
         * Gets the last modification timestamp of this cached item
         * @return the last modified time
         */

                .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();