import { AfterViewInit } from '@angular/core';
import { NgControl } from '@angular/forms';
export declare class AvInputDirective {
    control: NgControl;
    constructor(control: NgControl);
    invalid(): boolean;
    valid(): boolean;
    pristine(): () => any;
}
export declare class AvFormFieldComponent implements AfterViewInit {
    input: AvInputDirective;
    inputInvalid: boolean;
    ngAfterViewInit(): void;
}
export declare class AvFormErrorComponent {
    animateThis: boolean;
}