export type PushSubscriptionData = {
    endpoint: string;
    auth: string;
    p256dh: string;
} | undefined;
export declare const requestNotificationPermission: () => Promise<boolean>;
export declare const registerWidgetServiceWorker: (serviceWorkerPath?: string | URL) => Promise<boolean>;
export declare const getWidgetServiceWorker: (serviceWorkerPath?: string | URL) => Promise<ServiceWorkerRegistration | void>;
export declare const getPushManagerSubscriptionData: (subscription?: PushSubscription | null) => PushSubscriptionData;
export declare const getPushManagerSubscription: (serviceWorkerPath?: string | URL, applicationServerKey?: PushSubscriptionOptionsInit["applicationServerKey"]) => Promise<PushSubscription | null>;
export declare const unsubscribePushManager: (serviceWorkerPath?: string | URL) => Promise<boolean>;