import { Router } from '@angular/router';
import { Observable } from 'rxjs';
import { SideNav } from './../side-nav/side-nav.model';
export declare class AppShellService {
    private router;
    private sideNavItemsEmmiter;
    private sideNavToggleEvent;
    onSideNavToggleEvent: Observable<{
        state: string;
        value: number;
    }>;
    onSideNavItems: Observable<SideNav[]>;
    constructor(router: Router);
    changeSideNavItems(items: SideNav[]): void;
    changeSideNavToggleEvent(data: {
        state: string;
        value: number;
    }): void;
}