import * as i0 from "@angular/core";
export declare class OperatingSystemService {
    constructor();
    getOS(): string | null;
    isMac(): boolean;
    isPC(): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<OperatingSystemService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<OperatingSystemService>;
}