import { InjectionToken, Provider } from '@angular/core';
import { Observable } from 'rxjs';
export declare const MOBILE_VIEW: InjectionToken<Observable<boolean>>;
export declare const MobileViewProvider: Provider;
export declare const TABLET_VIEW: InjectionToken<Observable<boolean>>;
export declare const TabletViewProvider: Provider;
export declare const DESKTOP_SMALL_VIEW: InjectionToken<Observable<boolean>>;
export declare const DesktopSmallViewProvider: Provider;
export declare const VIEW_BREAKPOINTS_PROVIDERS: import("@angular/core").FactoryProvider[];
