import { ElementRef, EventEmitter } from '@angular/core';
import * as i0 from "@angular/core";
export declare class ScrollDirective {
    private el;
    askScrollThreshold: number;
    scrollEnd: EventEmitter<void>;
    constructor(el: ElementRef);
    onScroll(event: Event): void;
    private isScrollAtEnd;
    static ɵfac: i0.ɵɵFactoryDeclaration<ScrollDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ScrollDirective, "[askScroll]", never, { "askScrollThreshold": { "alias": "askScrollThreshold"; "required": false; }; }, { "scrollEnd": "scrollEnd"; }, never, never, false, never>;
}