import { PipeTransform } from '@angular/core';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class IntersectionPipe implements PipeTransform {
    private platform;
    constructor(platform: Object);
    transform(el: HTMLElement, options?: IntersectionObserverInit): Observable<boolean>;
    static ɵfac: i0.ɵɵFactoryDeclaration<IntersectionPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<IntersectionPipe, "intersection", true>;
}