import { AfterViewInit, OnDestroy, Type, ViewContainerRef } from '@angular/core';
import { FormControlName } from '@angular/forms';
import { ValidationMessageComponent } from './../components/ValidationMessageComponent';
import * as i0 from "@angular/core";
export declare class ValidationMessageDirective implements AfterViewInit, OnDestroy {
    private viewContainer;
    private vmComp;
    private formControlName;
    private _validationMessageComponent;
    constructor(viewContainer: ViewContainerRef, vmComp: Type<ValidationMessageComponent>, formControlName: FormControlName);
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ValidationMessageDirective, [null, null, { optional: true; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ValidationMessageDirective, "[formControlName][prtValidationMessage],[formGroupName][prtValidationMessage]", never, {}, {}, never, never, false, never>;
}