import { ActivatedRoute, Router } from '@angular/router';
import { Breadcrumb } from './breadcrumb';
export declare class BreadcrumbService {
    private activatedRoute;
    private router;
    /**
     * breadcrumb label for base OR root path. Usually, this can be set as 'Home'
     */
    private baseBreadcrumb;
    private baseHref;
    /**
     * dynamicBreadcrumbStore holds information about dynamically updated breadcrumbs.
     * Breadcrumbs can be set from anywhere (component, service) in the app.
     * On every breadcrumb update check this store and use the info if available.
     */
    private dynamicBreadcrumbStore;
    /**
     * breadcrumbList for the current route
     * When breadcrumb info is changed dynamically, check if the currentBreadcrumbs is effected
     * If effected, update the change and emit a new stream
     */
    private currentBreadcrumbs;
    /**
     * Breadcrumbs observable to be subscribed by BreadcrumbComponent
     * Emits on every route change OR dynamic update of breadcrumb
     */
    private breadcrumbs;
    breadcrumbs$: import("rxjs").Observable<Breadcrumb[]>;
    private pathParamPrefix;
    private pathParamRegexIdentifier;
    private pathParamRegexReplacer;
    constructor(activatedRoute: ActivatedRoute, router: Router);
    /**
     * Update breadcrumb label or options for -
     *
     * route (complete route path). route can be passed the same way you define angular routes
     * 1) update label Ex: set('/mentor', 'Mentor'), set('/mentor/:id', 'Mentor Details')
     * 2) change visibility Ex: set('/mentor/:id/edit', { skip: true })
     * 3) add info Ex: set('/mentor/:id/edit', { info: { icon: 'edit', iconColor: 'blue' } })
     * ------------------------ OR -------------------------
     *
     * alias (prefixed with '@'). breadcrumb alias is unique for a route
     * 1) update label Ex: set('@mentor', 'Enabler')
     * 2) change visibility Ex: set('@mentorEdit', { skip: true })
     * 3) add info Ex: set('@mentorEdit', { info: { icon: 'edit', iconColor: 'blue' } })
     */
    set(pathOrAlias: string, breadcrumb: string | Breadcrumb): void;
    private setBaseBreadcrumb;
    /**
     * Whenever route changes build breadcrumb list again
     */
    private detectRouteChanges;
    private prepareBreadcrumbList;
    private prepareBreadcrumbItem;
    /**
     * For a specific route, breadcrumb can be defined either on parent data OR it's child(which has empty path) data
     * When both are defined, child takes precedence
     *
     * Ex: Below we are setting breadcrumb on both parent and child.
     * So, child takes precedence and "Defined On Child" is displayed for the route 'home'
     * { path: 'home', loadChildren: './home/home.module#HomeModule' , data: {breadcrumb: "Defined On Module"}}
     *                                                AND
     * children: [
     *   { path: '', component: ShowUserComponent, data: {breadcrumb: "Defined On Child" }
     * ]
     */
    private parseRouteData;
    private getFromStore;
    /**
     * To update breadcrumb label for a route with path param, we need regex that matches route.
     * Instead of user providing regex, we help in preparing regex dynamically
     *
     * Ex: route declaration - path: '/mentor/:id'
     * breadcrumbService.set('/mentor/:id', 'Uday');
     * '/mentor/2' OR 'mentor/adasd' we should use 'Uday' as label
     *
     * regex string is built, if route has path params(contains with ':')
     */
    private buildRouteRegExp;
    /**
     * Update current breadcrumb definition and emit a new stream of breadcrumbs
     * Also update the store to reuse dynamic declarations
     */
    private updateStore;
    private getBreadcrumbIndexes;
    private getBreadcrumbIndexesByType;
    private resolvePathParam;
    /**
     * get empty children of a module or Component. Empty child is the one with path: ''
     * When parent and it's children (that has empty route path) define data
     * merge them both with child taking precedence
     */
    private mergeWithBaseChildData;
    private validateArguments;
    /**
     * breadcrumb can be passed a label or an options object
     * If passed as a string convert to breadcrumb options object
     */
    private getBreadcrumbOptions;
}