import { ModalOptions } from './modal.types';
/**
 * Headless modal/dialog controller. Manages open state, focus trapping, scroll
 * locking, Escape/overlay dismissal, ARIA wiring and focus restoration.
 *
 * Markup:
 * ```html
 * <div data-c42-modal>
 *   <div data-c42-modal-overlay></div>
 *   <div data-c42-modal-content>
 *     <button data-c42-modal-close>Close</button>
 *     ...
 *   </div>
 * </div>
 * ```
 */
export declare class Modal {
    private readonly root;
    private readonly content;
    private readonly overlay;
    private readonly closeOnOverlayClick;
    private readonly closeOnEscape;
    private readonly lockScroll;
    private readonly focusTrap;
    private open;
    private previouslyFocused;
    private cleanups;
    constructor(root: HTMLElement, options?: ModalOptions);
    private init;
    private readonly onKeydown;
    openModal(): void;
    close(): void;
    toggle(): void;
    get isOpen(): boolean;
    on<E extends Event = Event>(event: string, handler: (event: E) => void): () => void;
    destroy(): void;
}