import * as i0 from "@angular/core";
export declare class SidenavService {
    private _sidenavVisible;
    sidenavVisible$: import("rxjs").Observable<boolean>;
    sidenavVisible: boolean;
    showSidenav(): void;
    hideSidenav(): void;
    toggleSidenav(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SidenavService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SidenavService>;
}