*
     * This method implements lazy initialization with synchronization to ensure
     * the authenticator is only created once. It configures the authenticator
     * with the appropriate SPNEGO settings and marks initialization as complete.
     *
     * @return The configured SPNEGO authenticator instance
     * @throws SsoLoginException if SPNEGO initialization fails
     */

     * Each thread handles crawling for a single data configuration,
     * processing documents and updating the search index.
     *
     * <p>The thread manages:</p>
     * <ul>
     *   <li>Data store initialization and document processing</li>
     *   <li>Index update operations through callbacks</li>
     *   <li>Error handling and failure logging</li>
     *   <li>Cleanup of old documents after successful crawling</li>

     * and ending with ".txt".
     */
    public StemmerOverrideCreator() {
        super("stemmer_override.*\\.txt");
    }

    /**
     * Registers this creator with the dictionary manager upon initialization.
     * This method is annotated with {@link PostConstruct} to be executed after
     * dependency injection is complete.
     */
    @PostConstruct
    public void register() {
        if (logger.isInfoEnabled()) {

     * and ending with ".txt".
     */
    public StopwordsCreator() {
        super("stopwords.*\\.txt");
    }

    /**
     * Registers this creator with the dictionary manager upon initialization.
     * This method is annotated with {@link PostConstruct} to be executed after
     * dependency injection is complete.
     */
    @PostConstruct
    public void register() {
        if (logger.isInfoEnabled()) {

 */
public class RelatedContentHelper extends AbstractConfigHelper {

    /**
     * Default constructor for RelatedContentHelper.
     * The constructor does not perform any initialization logic as the actual
     * initialization is handled by the {@link #init()} method annotated with
     * {@code @PostConstruct}.
     */
    public RelatedContentHelper() {
        super();
    }

    /**
     * Constructs a JcifsEngine with the specified properties.
     *
     * @param props the properties for configuring the CIFS context
     * @throws CrawlingAccessException if an error occurs during initialization
     */
    public JcifsEngine(final Properties props) {
        try {
            cifsContext = new BaseContext(new PropertyConfiguration(props));
        } catch (final CIFSException e) {

     * and ending with ".txt".
     */
    public SynonymCreator() {
        super("synonym.*\\.txt");
    }

    /**
     * Registers this creator with the dictionary manager upon initialization.
     * This method is annotated with {@link PostConstruct} to be executed after
     * dependency injection is complete.
     */
    @PostConstruct
    public void register() {
        if (logger.isInfoEnabled()) {

/**
 * A crawler client implementation for accessing and retrieving content from Google Cloud Storage.
 * This client supports operations on GCS buckets and objects.
 *
 * <p>This client requires the following initialization parameters:
 * <ul>
 *   <li>projectId - The Google Cloud project ID</li>
 *   <li>endpoint - Custom endpoint URL (optional, for testing with fake-gcs-server)</li>

 * using AWS SDK v2. This client supports operations on Amazon S3 and S3-compatible storage systems.
 *
 * <p>This client requires the following initialization parameters:
 * <ul>
 *   <li>endpoint - The URL of the S3-compatible server</li>
 *   <li>accessKey - The access key for authentication</li>
 *   <li>secretKey - The secret key for authentication</li>

         * Establishes a connection to the GCS service.
         * This method creates a GCS Storage client using environment variables for configuration.
         * This method is synchronized to ensure thread-safe connection initialization.
         *
         * @throws IOException If the connection cannot be established
         */
        @Override
        public synchronized void connect() throws IOException {
            if (connected) {