/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
import { ChangeDetectorRef, OnDestroy } from '@angular/core';
import * as i0 from "@angular/core";
export type NzFormControlStatusType = 'success' | 'error' | 'warning' | 'validating' | '';
/** should add nz-row directive to host, track https://github.com/angular/angular/issues/8785 **/
export declare class NzFormItemComponent implements OnDestroy, OnDestroy {
    private cdr;
    status: NzFormControlStatusType;
    hasFeedback: boolean;
    withHelpClass: boolean;
    private destroy$;
    setWithHelpViaTips(value: boolean): void;
    setStatus(status: NzFormControlStatusType): void;
    setHasFeedback(hasFeedback: boolean): void;
    constructor(cdr: ChangeDetectorRef);
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NzFormItemComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NzFormItemComponent, "nz-form-item", ["nzFormItem"], {}, {}, never, ["*"], true, never>;
}