import { EventGS } from '../core/EventsGS';
import { WrapperGS } from '../core/WrapperGS';
export declare class DialogGS extends WrapperGS<HTMLDialogElement> {
    static ForHTMLElement(el: HTMLElement): boolean;
    private readonly _onCloseToken;
    private readonly _onCancelToken;
    readonly onClose: EventGS<Event>;
    readonly onCancel: EventGS<Event>;
    constructor(el: HTMLDialogElement | string);
    get open(): boolean;
    set open(value: boolean);
    get returnValue(): string;
    set returnValue(value: string);
    showDialog(): void;
    showModal(): void;
    close(returnValue?: string): void;
}