export interface Notification {
    title?: string;
    body?: string;
    dir?: string;
    lang?: string;
    badge?: string;
    tag?: string;
    icon?: string;
    image?: string;
    data?: any;
    vibrate?: number | number[];
    renotify?: boolean;
    close?(): void;
    onclick?(): any;
    onerror?(): any;
}