*
     * @param data the request data to be executed
     * @return the response data from the executed request
     */
    ResponseData execute(RequestData data);

    /**
     * Closes the crawler client and releases any resources associated with it.
     * This default implementation does nothing.
     *
     * @throws Exception if an error occurs during closing
     */
    @Override

      To apply the Apache License to your work, attach the following
      boilerplate notice, with the fields enclosed by brackets "[]"
      replaced with your own identifying information. (Don't include
      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the

        return fileInputStream.read();
    }

    @Override
    public int available() throws IOException {
        return fileInputStream.available();
    }

    /**
     * Closes this input stream and releases any system resources associated with the stream.
     * @throws IOException if an I/O error occurs.
     */
    @Override
    public void close() throws IOException {
        try {

 * It implements the TimeoutTarget interface to handle connection expiration events.
 *
 * <p>This class uses an instance of HttpClientConnectionManager to manage the connections.
 * It closes expired connections and idle connections that have exceeded a specified timeout.
 * </p>
 *
 * clientConnectionManager the HttpClientConnectionManager used to manage connections

      To apply the Apache License to your work, attach the following
      boilerplate notice, with the fields enclosed by brackets "[]"
      replaced with your own identifying information. (Don't include
      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the

                holder.add(smbAuthentication);
            }
        }
        smbAuthenticationHolder = holder;
    }

    /**
     * Closes the SMB client, releasing resources.
     */
    @Override
    public void close() {
        smbAuthenticationHolder = null;
    }

    /*
     * (non-Javadoc)
     *

     * @param clientMap The map of clients.
     */
    public void setClientMap(final Map<Pattern, CrawlerClient> clientMap) {
        this.clientMap = clientMap;
    }

    /**
     * Closes all clients in the factory.
     */
    @Override
    public void close() {
        clientMap.values().stream().distinct().forEach(client -> {
            try {
                client.close();

        final RequestData requestData = new RequestData();
        requestData.setMethod(method);
        requestData.setUrl(url);
        return requestData;
    }

    /**
     * Closes the response data, deleting temporary files if any.
     * @throws IOException if an I/O error occurs.
     */
    @Override
    public void close() throws IOException {
        if (isTemporaryFile) {

        } finally {
            if (listener != null) {
                listener.onRequestEnd(this, request, exceptionList);
            }
        }
    }

    /**
     * Closes the underlying CrawlerClient and releases any resources associated with it.
     *
     * @throws Exception if an error occurs during the close operation
     */
    @Override
    public void close() throws Exception {

        // TODO transaction?
        urlQueueService.delete(sessionId);
        dataService.delete(sessionId);
        urlFilter.clear();
    }

    /**
     * Closes the crawler, releasing resources.
     * This method is called automatically when the crawler is used in a try-with-resources statement.
     */
    @Override
    public void close() {
        clientFactory.close();