import { Router, ActivatedRoute } from '@angular/router';
import { HelperService } from './helper.service';
export declare class RouterService {
    private router;
    private activatedRoute;
    private helperService;
    registeredRoutes: string[];
    private _registeredRoutes;
    constructor(router: Router, activatedRoute: ActivatedRoute, helperService: HelperService);
    referrer(): string;
    listenChanges(): void;
    private removeParam;
}