import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class ViewportService {
    private mobileMq;
    isMobileWidth: boolean;
    mobileViewObservable: Observable<unknown>;
    private mobileLandscapeMq;
    isMobileLandscapeWidth: boolean;
    mobileLandscapeViewObservable: Observable<unknown>;
    private landscapeMq;
    isLandscapeWidth: boolean;
    landscapeViewObservable: Observable<unknown>;
    private landscapeHeightMq;
    isLandscapeHeight: boolean;
    landscapeHeightViewObservable: Observable<unknown>;
    private tabletMq;
    isTabletWidth: boolean;
    tabletViewObservable: Observable<unknown>;
    static ɵfac: i0.ɵɵFactoryDeclaration<ViewportService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ViewportService>;
}