import { Injector, OnDestroy } from '@angular/core';
import { Title } from '@angular/platform-browser';
import { Router } from '@angular/router';
import { TranslateService } from '@ngx-translate/core';
import { BehaviorSubject, Subscription } from 'rxjs';
import { IBreadcrumb } from './layout.type';
export declare const LAYOUT = "layout";
interface IOptions {
    breadFn?: (items: IBreadcrumb[]) => IBreadcrumb[];
}
export declare class BixiLayoutService implements OnDestroy {
    private injector;
    private router;
    private title;
    private i18n;
    openChange: BehaviorSubject<boolean>;
    breadcrumb$: BehaviorSubject<IBreadcrumb[]>;
    menuVisible$: BehaviorSubject<boolean>;
    headerVisible$: BehaviorSubject<boolean>;
    options$: BehaviorSubject<IOptions>;
    routerChange: Subscription;
    constructor(injector: Injector, router: Router, title: Title, i18n: TranslateService);
    private updateBreads;
    toggleMenu(open?: boolean): void;
    toggleHeader(show?: boolean): void;
    private formatBreakcrumb;
    setBreadcrumbs(breadFn: (items: IBreadcrumb[]) => IBreadcrumb[]): void;
    private getByRoute;
    setPageTitle(titleFn?: (breads: IBreadcrumb[]) => string): void;
    ngOnDestroy(): void;
}
export {};