import { ElementRef, OnChanges, SimpleChanges } from '@angular/core';
import * as i0 from "@angular/core";
export declare class InputMaskDirective implements OnChanges {
    private el;
    maskPattern?: string;
    private inputMask;
    constructor(el: ElementRef);
    ngOnChanges(changes: SimpleChanges): void;
    private applyMask;
    static ɵfac: i0.ɵɵFactoryDeclaration<InputMaskDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<InputMaskDirective, "[appInputMask]", never, { "maskPattern": { "alias": "maskPattern"; "required": false; }; }, {}, never, never, false, never>;
}