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