import { OnInit, OnDestroy, EventEmitter } from '@angular/core';
import { Router } from '@angular/router';
import { Logger } from '../../services/logger.service';
import { RouteHelperService } from '../../services/route-helper.service';
import { NamedRoute } from '../../api/named-route';
import { GetBreadcrumbDisplayNameFunction } from '../../classes/types';
import { NamedRoutes } from '../../api/enums';
import * as i0 from "@angular/core";
export declare class BreadcrumbComponent implements OnInit, OnDestroy {
    private logger;
    private routeHelperService;
    private router;
    private getOverriddenBreadcrumbDisplayName;
    private $toUnsubscribe;
    breadcrumbsArray: NamedRoute[];
    get isBreadcrumbsArrayEmpty(): boolean;
    get canNavigateUp(): boolean;
    breadcrumbsUpdate: EventEmitter<NamedRoute[]>;
    constructor(logger: Logger, routeHelperService: RouteHelperService, router: Router, getOverriddenBreadcrumbDisplayName: GetBreadcrumbDisplayNameFunction);
    ngOnInit(): void;
    buildBreadcrumbsArray: () => void;
    navigateUp(): void;
    removeBreadcrumb(routeName: NamedRoutes): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<BreadcrumbComponent, [null, null, null, { optional: true; }]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<BreadcrumbComponent, "spa-breadcrumb", never, {}, { "breadcrumbsUpdate": "breadcrumbsUpdate"; }, never, never, false, never>;
}