import { OnInit } from '@angular/core';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class KMaskShadowDirective implements OnInit {
    set shadow(shadow: string);
    private viewContainerRef;
    private control;
    private elementRef;
    private destroyRef;
    private instance?;
    get inputValue$(): Observable<unknown>;
    ngOnInit(): void;
    updateShadow(shadow?: string): void;
    updateValue(value?: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<KMaskShadowDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<KMaskShadowDirective, "input[kMaskShadow], textarea[kMaskShadow]", never, { "shadow": { "alias": "kMaskShadow"; "required": false; }; }, {}, never, never, true, never>;
}