import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class OnlineStatusService {
    online$: Observable<Event>;
    offline$: Observable<Event>;
    isOnline$: Observable<boolean>;
    constructor();
    static ɵfac: i0.ɵɵFactoryDeclaration<OnlineStatusService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<OnlineStatusService>;
}