import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class NumberDirective {
    private _el;
    constructor(_el: ElementRef);
    onInputChange(event: Event): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NumberDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NumberDirective, "input[numbersOnly]", never, {}, {}, never>;
}