import { BehaviorSubject } from 'rxjs';
import * as i0 from "@angular/core";
export declare class NzFormNoStatusService {
    noFormStatus: BehaviorSubject<boolean>;
    static ɵfac: i0.ɵɵFactoryDeclaration<NzFormNoStatusService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NzFormNoStatusService>;
}