import { Router } from '@angular/router';
import * as i0 from "@angular/core";
export declare class PreviousRouteService {
    private _router;
    previousUrl: string | undefined;
    currentUrl: string;
    private _history;
    private _routeKey;
    constructor(_router: Router);
    get getHistory(): string[];
    static ɵfac: i0.ɵɵFactoryDeclaration<PreviousRouteService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PreviousRouteService>;
}