import { OnDestroy } from '@angular/core';
import { Subject } from 'rxjs';
import { ActivatedRoute, Router } from '@angular/router';
import { Breadcrumb } from '../../models/breadcrumb.model';
import * as i0 from "@angular/core";
/**
 * Reusable breadcrumb component for displaying and navigating through a hierarchy of pages.
 * @class BreadcrumbComponent
 */
export declare class BreadcrumbComponent implements OnDestroy {
    activatedRoute: ActivatedRoute;
    private router;
    breadcrumbTexts: any;
    /**
     * Initial route for the breadcrumb component.
     * @type {string}
     * @default '/'
     * @memberof BreadcrumbComponent
     */
    breadcrumbInitialRoute: string;
    /**
     * Initial label for the breadcrumb component.
     * @type {string}
     * @default breadcrumbTexts?.breadcrumb?.label?.initial
     * @memberof BreadcrumbComponent
     */
    breadcrumbInitialRouteLabel: any;
    breadcrumbs: Breadcrumb[];
    destroy$: Subject<boolean>;
    static readonly ROUTE_DATA_BREADCRUMB = "breadcrumb";
    constructor(activatedRoute: ActivatedRoute, router: Router);
    /**
     * Sets up the subscription to router events to update breadcrumbs.
     * @memberof BreadcrumbComponent
     */
    setRouteData(): void;
    /**
     *
     * Recursively gets the breadcrumb items for the given route.
     * @param {ActivatedRoute} route - The activated route.
     * @param {string} [url=''] - The current URL.
     * @param {Breadcrumb[]} [breadcrumbs=[]] - The current breadcrumb items.
     * @return {Breadcrumb[]} - The array of breadcrumb items.
     * @memberof BreadcrumbComponent
     */
    createBreadcrumbs(route: ActivatedRoute, url?: string, breadcrumbs?: Breadcrumb[]): any;
    /**
     * Takes the index and the current item as arguments and needs to return the unique identifier for this item.
     * @param {number} index
     * @return {number}
     * @memberof BreadcrumbComponent
     */
    trackByFn(index: number): number;
    /**
     * NgOnDestroy performs necessary cleanup tasks, such as unsubscribing from subscription when the component is being destroyed.
     * @memberof BreadcrumbComponent
     */
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<BreadcrumbComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<BreadcrumbComponent, "ieeesa-breadcrumb", never, { "breadcrumbInitialRoute": { "alias": "breadcrumbInitialRoute"; "required": false; }; "breadcrumbInitialRouteLabel": { "alias": "breadcrumbInitialRouteLabel"; "required": false; }; }, {}, never, never, true, never>;
}