import { Breadcrumb, BreadcrumbConfig } from './guangxun-breadcrumb.type';
import { Router } from '@angular/router';
import * as i0 from "@angular/core";
export declare class GuangxunBreadcrumbService {
    private _config?;
    _router: Router;
    private _breadcrumbs;
    readonly breadcrumbs$: import("rxjs").Observable<Breadcrumb[]>;
    constructor(_config?: BreadcrumbConfig | undefined);
    private _buildBreadcrumbs;
    static ɵfac: i0.ɵɵFactoryDeclaration<GuangxunBreadcrumbService, [{ optional: true; }]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<GuangxunBreadcrumbService>;
}