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

    /**
     * Processes a request for the given URI.
     *
     * @param uri the URI to process
     * @param includeContent whether to include content in the response

    private String processOrigin;
    private ServletRequest processRequest;
    private ServletResponse processResponse;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        responseHeaders = new HashMap<>();
        processCalled = false;
        processOrigin = null;
        processRequest = null;
        processResponse = null;

        if (!Strings.isNullOrEmpty(error)) {
            throw new IllegalArgumentException(error);
        }

        final Deferred<T> deferred = new Deferred<>();
        try {
            processRequest(client, deferred);
        } catch (final Exception e) {
            throw new SuggesterException(e);
        }
        return deferred.promise();
    }

    /**
     * Processes the request.

    public ResponseData doGet(final String uri) {
        return processRequest(uri, true);
    }

    /**
     * Processes an SMB request for the given URI.
     *
     * @param uri the URI to process
     * @param includeContent whether to include content in the response
     * @return the response data
     */
    protected ResponseData processRequest(final String uri, final boolean includeContent) {

    public ResponseData doGet(final String uri) {
        return processRequest(uri, true);
    }

    /**
     * Processes an SMB1 request for the given URI.
     *
     * @param uri the URI to process
     * @param includeContent whether to include content in the response
     * @return the response data
     */
    protected ResponseData processRequest(final String uri, final boolean includeContent) {

                if (!value.startsWith("/")) {
                    path = "/" + value;
                } else {
                    path = value;
                }
                processRequest(request, response, path);
            }).orElse(() -> {
                throw new WebApiException(HttpServletResponse.SC_FORBIDDEN, "Invalid session.");
            });
        } catch (final WebApiException e) {

        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());

    /*
     * (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);