declare class DetailsDialogElement extends HTMLElement {
    static get CLOSE_ATTR(): string;
    static get CLOSE_SELECTOR(): string;
    constructor();
    get src(): string | null;
    set src(value: string | null);
    get preload(): boolean;
    set preload(value: boolean);
    connectedCallback(): void;
    disconnectedCallback(): void;
    toggle(open: boolean): void;
    static get observedAttributes(): string[];
    attributeChangedCallback(): void;
}
declare global {
    interface Window {
        DetailsDialogElement: typeof DetailsDialogElement;
    }
}
export default DetailsDialogElement;