import { UntypedFormGroup } from '@angular/forms';
import * as i0 from "@angular/core";
export declare class FormHelperService {
    countControlsForm(form: UntypedFormGroup): number;
    keysControlsForm(form: UntypedFormGroup): string[];
    static ɵfac: i0.ɵɵFactoryDeclaration<FormHelperService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FormHelperService>;
}