monitorTarget.append(buf, "stringKey", supplier);
        assertEquals("\"stringKey\":\"test string\"", buf.toString());
    }

    // Test append method with String containing special characters
    public void test_append_stringWithSpecialChars() {
        StringBuilder buf = new StringBuilder();
        Supplier<Object> supplier = () -> "test \"quotes\" and \n newline";

- `aws:username` - This is a string containing the friendly name of the current user, this value would point to STS temporary credential in `AssumeRole`ed requests, use `jwt:preferred_username` in case of OpenID connect and `ldap:username` in case of AD/LDAP. *aws:userid* is an alias to *aws:username* in MinIO.

    /**
     * Gets the appropriate extractor for the given response data.
     * Selects an extractor based on the MIME type or falls back to the Tika extractor.
     *
     * @param responseData the response data containing the document to extract
     * @return the extractor instance for processing the document
     * @throws FessSystemException if no suitable extractor can be found
     */
    @Override

                .append(problem.getMessage()));
        return msg.toString();
    }

    /**
     * Returns the problem collector associated with this exception.
     *
     * @return the problem collector containing all problems related to this exception
     */
    public ProblemCollector<BuilderProblem> getProblemCollector() {
        return problems;
    }

            return null;
        }

        /**
         * Creates a list from an array of configuration ID values.
         *
         * @param values array of configuration ID strings
         * @return list containing all values from the array
         */
        private static List<String> createConfigIdList(final String[] values) {
            final List<String> idList = new ArrayList<>();

     *
     * @param responseData the response data from the crawled resource
     * @param resultData the result data to be processed
     * @return the access result containing the processed data
     */
    @Override
    protected AccessResult<?> createAccessResult(final ResponseData responseData, final ResultData resultData) {

     * This method performs authentication checks and sets up the necessary
     * form parameters and rendering data for the help page display.
     *
     * @return HtmlResponse containing the rendered help page or redirect to login if authentication is required
     */
    @Execute
    public HtmlResponse index() {
        if (isLoginRequired()) {
            return redirectToLogin();
        }

    @Resource
    protected SuggestHelper suggestHelper;

    /**
     * Retrieves suggest statistics including word counts.
     *
     * @return JSON response containing suggest statistics
     */
    // GET /api/admin/suggest
    @Execute
    public JsonResponse<ApiResult> get$index() {
        final SuggestBody body = new SuggestBody();

    /**
     * Cache map storing related content configurations organized by virtual host key.
     * The outer map key is the virtual host key, and the value is a pair containing:
     * - First: Map of exact term matches (term -> content)
     * - Second: List of regex pattern matches (Pattern -> content template)
     */

        }
    }

    /**
     * Reloads the dictionary file with the specified updater and input stream.
     * @param updater the updater to use for processing items
     * @param in the input stream containing the file content
     */
    protected void reload(final ProtwordsUpdater updater, final InputStream in) {
        final List<ProtwordsItem> itemList = new ArrayList<>();