import { Observable } from 'rxjs';
import { Service, ServiceLike } from './service';
/**
 * Creates a service that switches and proxies to different services over time.
 *
 * @param initialService
 *   The initial service to proxy to.
 * @param service$
 *   Subsequent services to proxy to.
 * @param getSwitchEffects
 *   Observable factory for side-effects to perform when switching to a new service. The provided Observable will
 *   immediately emit with the service that is current at the time of subscription, similar to a BehaviorSubject.
 * @param dependencies
 *   Additional services to mix in to the created service.
 */
export declare function createSwitchingService<S extends Service>(initialService: S, service$: Observable<S>, getSwitchEffects?: (currentService$: Observable<S>) => Observable<any>, ...dependencies: ServiceLike[]): S;