import Modal from '~/components/Modal';
/**
 * Modal dialog for displaying error messages.
 *
 * Extends {@link Modal} with an error message display area.
 * Used to show critical errors such as PDF loading failures.
 */
export default class ErrorModal extends Modal {
    /** The element that displays the error message text. */
    private readonly message;
    /**
     * Creates an error modal and appends it to the given context element.
     *
     * @param context - The parent DOM element to append the modal into.
     */
    constructor(context: HTMLElement);
    /**
     * Returns the HTML string for the error modal content.
     *
     * @returns The error modal HTML string.
     */
    protected render(): string;
    /**
     * Displays the error modal with the specified message.
     *
     * @param message - The error message to display.
     * @returns This instance for chaining.
     */
    show(message?: string): ErrorModal;
}