export declare class NotificationService { private _notification; constructor(); readonly notification: Notification; push(title: string, options?: NotificationOptions): void; close(): void; /** * * * @private * @param {string} title * @param {NotificationOptions} [options] 通过浏览器测试后(Firefox含Mac和Windows、Chrome含Mac和Windows、Safari),通用的有效配置仅有3个:title,body,icon * @memberof NotificationService */ private notify; }