return processRequest(uri, true);
    }

    /**
     * Executes a HEAD request for the given URL.
     * @param url The URL to request.
     * @return The ResponseData.
     */
    @Override
    public ResponseData doHead(final String url) {
        try {
            final ResponseData responseData = processRequest(url, false);

     */
    public void setQueryFreqThreshold(final int queryFreqThreshold) {
        this.queryFreqThreshold = queryFreqThreshold;
    }

    @Override
    protected void processRequest(final Client client, final Deferred<PopularWordsResponse> deferred) {
        final SearchRequestBuilder builder = client.prepareSearch(index);
        builder.setSize(size);
        builder.setQuery(buildQuery());

        for (int i = 0; i < threadCount; i++) {
            final int index = i;
            threads[i] = new Thread(() -> {
                try {
                    // Call processRequest which triggers initialization
                    client.doGet("file://nonexistent.txt");
                } catch (Exception e) {
                    // Expected for nonexistent file
                }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.robot.client.S2RobotClient#doGet(java.lang.String)
     */
    @Override
    public ResponseData doGet(final String uri) {
        return processRequest(uri, true);
    }

    /**
     * Processes an FTP request to retrieve data from the specified URI.
     * This method handles the complete FTP request lifecycle including timeout management,

        languages.add(lang);
    }

    @Override
    protected String getValidationError() {
        return null;
    }

    @Override
    protected void processRequest(final Client client, final Deferred<SuggestResponse> deferred) {
        final SearchRequestBuilder builder = client.prepareSearch(index);

        if (skipDuplicateWords) {
            builder.setSize(size * 2);

                            keyObj.setUrl(currentUrl);
                        }
                        crawlerStatsHelper.record(keyObj, StatsAction.PREPARED);
                        currentUrl = processRequest(paramMap, localDataMap, currentUrl, client);
                        if (currentUrl == null) {
                            break;
                        }

     * @throws ChildUrlsException if the URL redirects to another location
     * @throws CrawlerSystemException if data deserialization fails
     */
    public Map<String, Object> processRequest(final CrawlingConfig crawlingConfig, final String crawlingInfoId, final String url) {
        if (StringUtil.isBlank(crawlingInfoId)) {