import { Router } from '@angular/router';
import * as i0 from "@angular/core";
export declare class UrlService {
    private router;
    private prev;
    private current;
    constructor(router: Router);
    getPrev(): string | null;
    getCurrent(): string | null;
    static ɵfac: i0.ɵɵFactoryDeclaration<UrlService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<UrlService>;
}