import { ElementRef, ChangeDetectorRef } from '@angular/core';
import { FormControlGroupComponent } from './form-control-group.component';
export declare class FormControlHintComponent {
    private elementRef;
    private cdRef;
    private fcg?;
    constructor(elementRef: ElementRef<HTMLElement>, cdRef: ChangeDetectorRef, fcg?: FormControlGroupComponent);
    classVCLFormControlHint: boolean;
    readonly classVCLError: boolean;
    readonly classVCLWarning: boolean;
    readonly classVCLSuccess: boolean;
    error?: string;
    readonly styleDisplay: string;
    readonly visible: boolean;
}