import { ElementRef, Renderer2 } from '@angular/core';
import { FormFieldDirective } from './form-field.directive';
export declare class RegexedFieldDirective extends FormFieldDirective {
    protected element: ElementRef;
    protected renderer: Renderer2;
    setRegex: string;
    private regexRule;
    constructor(element: ElementRef, renderer: Renderer2);
    onInput(event: KeyboardEvent): void;
}