export declare class NzFormControlComponent {
    _hasFeedback: boolean;
    _nzFormItemControlWrapper: boolean;
    nzHasFeedback: boolean | string;
    nzValidateStatus: any;
    readonly isWarning: boolean;
    readonly isValidate: boolean;
    readonly isError: boolean;
    readonly isSuccess: boolean;
    readonly hasFeedBack: boolean;
    _isDirtyAndError(name: any): any;
    constructor();
}