import { OnDestroy } from '@angular/core';
import { Router, ActivatedRoute } from '@angular/router';
import { NavNode } from '../models/navNode';
import 'rxjs/add/operator/filter';
export declare class BreadcrumbService implements OnDestroy {
    private readonly _navNodeIdPrefix;
    private _router;
    private _route;
    private _subscription;
    protected _breadcrumbNodes: Array<NavNode>;
    readonly Nodes: Array<NavNode>;
    constructor(router: Router, route: ActivatedRoute);
    private SubbscribeToRouteNotifications();
    protected ProcessRouteNotification(currentRoute: ActivatedRoute): void;
    ngOnDestroy(): void;
}