import { Observable } from 'rxjs';
import { GeolocationConfig } from '../core.model';
import { GeolocationService } from './geolocation.service';
export declare class GeolocationWatcher {
    private geolocationService;
    private positionOptions;
    private watcher;
    private changes;
    constructor(geolocationService: GeolocationService, positionOptions: GeolocationConfig);
    get changes$(): Observable<GeolocationPosition>;
    clearWatch(): void;
}