import { ElementRef, NgZone, OnDestroy, OnInit, Renderer2 } from '@angular/core';
export declare class AffixDirective implements OnInit, OnDestroy {
    private renderer;
    private el;
    private zone;
    toAffix: number;
    private _isAffixed;
    private _subscription;
    constructor(renderer: Renderer2, el: ElementRef, zone: NgZone);
    ngOnInit(): void;
    ngOnDestroy(): void;
}
export declare class AffixModule {
}