import { ElementRef, EventEmitter, NgZone, OnDestroy, OnInit } from '@angular/core';
import { AnimationOptions } from '../util/types';
import { Motion } from './animate.directive';
import { Variants } from './variants.directive';
import * as i0 from "@angular/core";
export declare class Intersection implements OnInit, OnDestroy {
    private el;
    private animate;
    private variants;
    private zone;
    options: AnimationOptions | string;
    repeat: boolean;
    intersectionOptions: IntersectionObserverInit;
    _in: EventEmitter<any>;
    _out: EventEmitter<any>;
    private initial;
    private destroy$;
    constructor(el: ElementRef<HTMLElement>, animate: Motion, variants: Variants, zone: NgZone);
    ngOnInit(): void;
    private in;
    private out;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<Intersection, [null, null, { optional: true; }, null]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<Intersection, "[animate.intersection]", never, { "options": { "alias": "animate.intersection"; "required": false; }; "repeat": { "alias": "repeat"; "required": false; }; "intersectionOptions": { "alias": "intersectionOptions"; "required": false; }; }, { "_in": "in"; "_out": "out"; }, never, never, true, never>;
}