import { OnDestroy, AfterContentChecked } from '@angular/core';
import { NgControl } from '@angular/forms';
import { Subscription } from 'rxjs/Subscription';
import { TranslateService } from '../../translate/translate.service';
import { NzFormItemDirective } from 'ng-zorro-antd';
/**
 * 显示一条错误
 *
 * @export
 * @class FormControlValidatorComponent
 * @implements {AfterContentChecked}
 */
export declare class FormControlValidatorComponent implements OnDestroy, AfterContentChecked {
    private translate;
    private _nzFormItem;
    private _errorPrefix;
    private _fieldPrefix;
    private _pending;
    msg: string;
    error$: Subscription;
    fieldPrefix: string;
    errorPrefix: string;
    pending: string;
    ngControl: NgControl;
    constructor(translate: TranslateService, _nzFormItem: NzFormItemDirective);
    ngAfterContentChecked(): void;
    ngOnDestroy(): void;
}