import { ActivatedRouteSnapshot, DetachedRouteHandle, RouteReuseStrategy } from '@angular/router';
export declare class RouterReuseStrategy implements RouteReuseStrategy {
    storedHandles: {
        [key: string]: DetachedRouteHandle;
    };
    shouldDetach(route: ActivatedRouteSnapshot): boolean;
    store(route: ActivatedRouteSnapshot, handle: DetachedRouteHandle): void;
    shouldAttach(route: ActivatedRouteSnapshot): boolean;
    retrieve(route: ActivatedRouteSnapshot): DetachedRouteHandle | null;
    shouldReuseRoute(future: ActivatedRouteSnapshot, curr: ActivatedRouteSnapshot): boolean;
    private createIdentifier;
}