import { ElementRef, OnInit } from '@angular/core';
import * as i0 from "@angular/core";
export declare class MaskDirective implements OnInit {
    el: ElementRef;
    private navigationKeys;
    inputElement: HTMLInputElement;
    regex: RegExp;
    constructor(el: ElementRef);
    ngOnInit(): void;
    onKeyDown(e: KeyboardEvent): void;
    private forecastValue;
    static ɵfac: i0.ɵɵFactoryDeclaration<MaskDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<MaskDirective, "[mask]", never, {}, {}, never>;
}