import { EventEmitter, ElementRef, Renderer2, NgZone } from '@angular/core';
import { NcMaxLengthDirective } from './nc-maxlength.directive';
export interface MaskingParams {
    maxLength: number;
    maskedLength: number;
    maskWith?: string;
    startSkipCount?: number;
    endSkipCount?: number;
}
export declare class MaskingValueDirective extends NcMaxLengthDirective {
    protected element: ElementRef;
    protected renderer: Renderer2;
    protected ngZone: NgZone;
    maskingParams: MaskingParams;
    maskedValue: EventEmitter<string>;
    private updatedString;
    constructor(element: ElementRef, renderer: Renderer2, ngZone: NgZone);
    ngOnInit(): void;
    ngAfterViewInit(): void;
    private value;
    private handelEvent;
}