import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class DigitsOnlyDirective {
    private elementRef;
    constructor(elementRef: ElementRef);
    private onKeyDown;
    static ɵfac: i0.ɵɵFactoryDeclaration<DigitsOnlyDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DigitsOnlyDirective, "[bkDigitsOnly]", ["bkDigitsOnly"], {}, {}, never, never, true, never>;
}