* It allows setting a default encoding, mapping various encoding names to preferred ones,
 * and normalizing an encoding string to its preferred form or the default if no mapping is found.
 */
public class EncodingHelper {

    /** The default encoding to use when no mapping is found */
    protected String defaultEncoding;

    /** Map of encoding names to their preferred forms */
    protected Map<String, String> encodingMap = new HashMap<>();

 * It also handles the conversion of voiced and semi-voiced sound marks.
 *
 * <p>This class provides the following functionalities:</p>
 * <ul>
 *   <li>Normalization of a string containing Hankaku Kana to Zenkaku Kana.</li>
 *   <li>Conversion of individual Hankaku Kana characters to Zenkaku Kana characters.</li>
 *   <li>Handling of voiced (ﾞ) and semi-voiced (ﾟ) sound marks to produce the correct Zenkaku Kana characters.</li>
 * </ul>
 *

        * the corresponding SmbAuthentication object is returned.
        * </p>
        *
        * @param path The path for which to retrieve the SmbAuthentication.
        *             If null, the method returns null.
        * @return The SmbAuthentication associated with the path, or null if no
        *         matching authentication is found or if the path is null.
        */

        }
    }

    /**
     * Retrieves an FtpAuthentication object that matches the given path.
     * @param path The path to match.
     * @return The matching FtpAuthentication object, or null if no match is found.
     */
    public FtpAuthentication get(final String path) {
        if (path == null) {
            return null;
        }

        for (final FtpAuthentication auth : authenticationList) {

    /**
     * The HTTP status code for Forbidden.
     */
    public static final int FORBIDDEN_STATUS_CODE = 403;

    /**
     * The HTTP status code for Not Found.
     */
    public static final int NOT_FOUND_STATUS_CODE = 404;

    /**
     * The HTTP status code for Server Error.
     */
    public static final int SERVER_ERROR_STATUS_CODE = 500;

    /**

    CHECK_LAST_MODIFIED,
    /** Indicates the resource has not been modified. */
    NOT_MODIFIED,
    /** Indicates getting content from a resource. */
    GET_CONTENT,
    /** Indicates a redirect location was found. */
    REDIRECT_LOCATION,
    /** Indicates processing a response. */
    PROCESS_RESPONSE,
    /** Indicates the crawling process has finished. */
    FINISHED_CRAWLING,

     */
    @Override
    public void update(final AccessResultImpl<Long> accessResult) {
        final Map<String, AccessResultImpl<Long>> arMap = dataHelper.getAccessResultMap(accessResult.getSessionId());
        if (!arMap.containsKey(accessResult.getUrl())) {
            throw new CrawlerSystemException(accessResult.getUrl() + " is not found.");
        }

                final String filePath = settings.get("synonyms_path", null);

                if (filePath == null) {
                    throw new IllegalArgumentException("synonyms_path is not found.");
                }

                final Path path = env.configDir().resolve(filePath);

                try {
                    final File file = path.toFile();
                    if (file.exists()) {

    }

    /**
     * Use an XPath string to select a single node.
     *
     * @param contextNode The node to start searching from.
     * @param expression A valid XPath string.
     * @return The first node found that matches the XPath, or null.
     *
     * @throws XPathExpressionException if an XPath expression error occurs.
     */

            urlFilterService = crawlerContainer.getComponent("urlFilterService");
            if (urlFilterService == null) {
                throw new CrawlerSystemException("urlFilterService is not found.");
            }
        }
        return urlFilterService;
    }

    /**
     * Returns a string representation of this object.
     * @return A string representation.
     */
    @Override