import { Router } from '@angular/router';
import { BehaviorSubject, Observable } from 'rxjs';
import * as i0 from "@angular/core";
export interface ReferrerRouteParams {
    commands: string[];
    queryParams?: any;
    fragment?: string;
}
/**
 *
 * Displays Loading Spinner
 * @export
 * @class LoadingService
 */
export declare class ReferrerRouteService {
    private router;
    referrer$: BehaviorSubject<string>;
    private _referrer;
    constructor(router: Router);
    get first$(): Observable<string | null>;
    get routeParams$(): Observable<ReferrerRouteParams | undefined>;
    static ɵfac: i0.ɵɵFactoryDeclaration<ReferrerRouteService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ReferrerRouteService>;
}