* <p>
     * This method registers only the classes that are needed by the crawler data serialization.
     * By explicitly registering classes, we prevent deserialization of arbitrary classes
     * which could lead to remote code execution vulnerabilities through gadget chains.
     * </p>
     *
     * @param kryo the Kryo instance to register classes with
     */
    protected void registerClasses(final Kryo kryo) {

        QueryBuilder result = builder.apply("title", 3.0f);
        assertNotNull(result);
    }

    /**
     * Test that convertWithFieldCheck() pattern reduces code duplication.
     * This test demonstrates how the template method can be used to replace
     * repetitive field checking logic.
     */
    @Test
    public void test_convertWithFieldCheck_reducesCodeDuplication() {

     * @param commands The command array to execute.
     * @param username The username parameter for the command.
     * @param password The password parameter for the command.
     * @return The exit code of the executed command.
     */
    protected int executeCommand(final String[] commands, final String username, final String password) {
        if (commands == null || commands.length == 0) {

/*!
 * Font Awesome Free 5.12.0 by @fontawesome - https://fontawesome.com
 * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
 */

     * 2. Check if field is a search field and apply field-specific query
     * 3. Fall back to default query builder for unsupported fields
     *
     * This reduces code duplication across query command implementations.
     *
     * @param fessConfig the Fess configuration
     * @param context the query context
     * @param field the field name
     * @param text the query text

     * </p>
     *
     * @param thumbnailId the identifier for the thumbnail being generated
     * @param cmdList the list of command arguments to execute
     * @return the exit code of the process if it finishes normally; -1 if the process fails or is terminated
     */
    protected int executeCommand(final String thumbnailId, final List<String> cmdList) {
        ProcessDestroyer task = null;

     * This method handles session setup, crawler initialization, crawling execution,
     * and cleanup operations.
     *
     * @param options parsed command-line options containing crawling configuration
     * @return exit code (Constants.EXIT_OK for success, Constants.EXIT_FAIL for failure)
     */
    private static int process(final Options options) {
        final Crawler crawler = ComponentUtil.getComponent(Crawler.class);

# Hibernate Validator
# -------------------
constraints.CreditCardNumber.message = {item} est un numéro de carte de crédit non valide.
constraints.EAN.message = {item} est un code-barres {type} non valide.
constraints.Email.message = {item} n'est pas une adresse e-mail valide.
constraints.Length.message = La longueur de {item} doit être comprise entre {min} et {max}.

     */
    public static class ApiResponse {
        /** The version of the product. */
        protected String version = ComponentUtil.getSystemHelper().getProductVersion();
        /** The status code of the response. */
        protected int status;

        /**
         * Default constructor for ApiResponse.
         */
        public ApiResponse() {
            // Default constructor
        }

        }
    }

    /**
     * Writes a JSON response to the HTTP response.
     *
     * @param response the HTTP response
     * @param status the HTTP status code
     * @param data the data to serialize as JSON
     * @throws IOException if an I/O error occurs
     */