}

    /**
     * Determines whether the current request is authorized to access admin API endpoints.
     * This method validates the access token and checks if the associated permissions
     * allow admin access according to the Fess configuration.
     *
     * @return true if admin access is allowed, false otherwise
     */
    @Override
    protected boolean isAccessAllowed() {
        try {

        }
        duplicateHostList.add(duplicateHost);
    }

    /**
     * Converts a URL using all configured duplicate host rules.
     * Applies each duplicate host rule in sequence to transform the URL
     * according to the configured patterns.
     *
     * @param url the URL to convert
     * @return the converted URL after applying all duplicate host rules,
     *         or null if the input URL is null
     */

/**
 * Servlet filter for handling character encoding conversion and URL redirection.
 * This filter processes requests with specific encoding requirements and converts
 * character encodings according to configured mapping rules.
 *
 * <p>The filter intercepts requests matching configured path patterns and
 * redirects them with proper character encoding applied to parameters.</p>
 */

    /**
     * Encodes a URL by encoding non-URL-safe characters.
     * Uses the request's character encoding if available, otherwise defaults to UTF-8.
     * Only encodes characters that are not considered URL-safe according to CharUtil.
     *
     * @param url the URL to encode
     * @return the encoded URL with non-URL-safe characters properly encoded
     */
    public static String encodeUrl(final String url) {