import { BehaviorSubject } from 'rxjs';
import { AlphaHotKey } from '../directives/hot-keys.directive';
import * as i0 from "@angular/core";
export declare class ApplicationHelpService {
    activeKey$: BehaviorSubject<AlphaHotKey | undefined>;
    zIndex$: BehaviorSubject<number>;
    constructor();
    static ɵfac: i0.ɵɵFactoryDeclaration<ApplicationHelpService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ApplicationHelpService>;
}