import { BreakpointObserver } from "@angular/cdk/layout";
import { DeviceSize } from "./types";
import * as i0 from "@angular/core";
export declare class Layout1Service {
    private _mediaSubscription;
    private _showSidebarChangeSubject;
    readonly showSidebarChange: import("rxjs").Observable<boolean>;
    private _deviceSizeChangeSubject;
    readonly deviceSizeChange: import("rxjs").Observable<DeviceSize>;
    private _deviceSize;
    get deviceSize(): DeviceSize;
    constructor(breakpointObserver: BreakpointObserver);
    showSidebar(show?: boolean): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<Layout1Service, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<Layout1Service>;
}