import { BehaviorSubject } from 'rxjs';
import * as i0 from "@angular/core";
export declare class HeadwindTabGroupService {
    /** Current activated tab key */
    tab$: BehaviorSubject<any>;
    get tab(): any;
    set tab(value: any);
    static ɵfac: i0.ɵɵFactoryDeclaration<HeadwindTabGroupService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<HeadwindTabGroupService>;
}