//                                                                      ==============
    /**
     * Displays the general error page.
     *
     * @param form the error form containing error information
     * @return HTML response for the error page
     */
    @Execute
    public HtmlResponse index(final ErrorForm form) {

    //                                                                      ==============
    /**
     * Displays the system error page.
     *
     * @param form the error form containing error information
     * @return HTML response for the system error page
     */
    @Execute
    public HtmlResponse index(final ErrorForm form) {

 */
abstract class AbstractBuildScanInfoCollectingService : BuildService<AbstractBuildScanInfoCollectingService.Params>, OperationCompletionListener {
    /**
     * To be compatible with configuration cache, this field must be Serializable.
     */
    abstract val collectedInformation: Serializable

    interface Params : BuildServiceParameters {
        val monitoredTaskPaths: SetProperty<String>
    }

    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new ContentNotFoundException with the specified parent URL and URL.
     *
     * @param parentUrl the URL of the parent document
     * @param url the URL of the content that was not found
     */
    public ContentNotFoundException(final String parentUrl, final String url) {

     *
     * @param duplicateHostList the list of duplicate host rules to use
     */
    public void setDuplicateHostList(final List<DuplicateHost> duplicateHostList) {
        this.duplicateHostList = duplicateHostList;
    }

    /**
     * Adds a new duplicate host rule to the list.
     * Initializes the list if it doesn't exist.
     *
     * @param duplicateHost the duplicate host rule to add
     */

 */
public interface IndexUpdateCallback {

    /**
     * Stores a document in the search index with the specified parameters and data.
     *
     * @param paramMap the data store parameters containing configuration and metadata
     * @param dataMap the document data to be indexed as key-value pairs
     */
    void store(DataStoreParams paramMap, Map<String, Object> dataMap);

    /**

            }, validationErrorLambda);
        });
    }

    /**
     * Adds a password validation error message to the messages object based on the error key.
     *
     * @param messages the FessMessages object to add the error to
     * @param errorKey the error key identifying the type of password validation error
     */
    protected void addPasswordValidationError(final FessMessages messages, final String errorKey) {

    /**
     * Builds parameter maps for search initialization, creating both query strings
     * and form inputs for the given parameters.
     *
     * @param paramMap the parameter map to process
     * @param queryKey the key for storing query string parameters
     * @param formKey the key for storing form input parameters
     */

    /** The username extracted from SPNEGO authentication. */
    private final String username;

    /**
     * Constructs a new SpnegoCredential with the specified username.
     *
     * @param username The username obtained from SPNEGO authentication
     */
    public SpnegoCredential(final String username) {
        this.username = username;
    }

    /**

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        saveToken();
        return asListHtml();
    }

    /**
     * Deletes the specified plugin.
     *
     * @param form the delete form containing plugin information
     * @return HTML response redirecting to the plugin list
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse delete(final DeleteForm form) {