import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class IntersectionDirective {
    private el;
    enter: import("rxjs").Observable<boolean>;
    leave: import("rxjs").Observable<boolean>;
    disabled: boolean;
    constructor(el: ElementRef<HTMLElement>);
    static ɵfac: i0.ɵɵFactoryDeclaration<IntersectionDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<IntersectionDirective, "[intersection]", never, { "disabled": { "alias": "disabled"; "required": false; }; }, { "enter": "enter"; "leave": "leave"; }, never, never, true, never>;
}