export = NotificationService;
declare class NotificationService {
    constructor(dir: any, name?: string);
    dir: any;
    name: string;
    scan(callback: Func, options?: {}): Promise<void>;
    scanOnce(callback: any): Promise<void>;
    scanItem(callback: any, name: any): Promise<void>;
    notify(message: JSON, id: any): string;
    notifyStudy(studyUID: any, options?: {}): void;
}