import { AfterViewInit, ChangeDetectorRef, ElementRef, EventEmitter, OnDestroy } from '@angular/core';
import * as i0 from "@angular/core";
export declare class ReachTopDirective implements AfterViewInit, OnDestroy {
    private elementRef;
    private cdr;
    stickyByDefault: boolean;
    reachedTop: EventEmitter<boolean>;
    observer: IntersectionObserver;
    constructor(elementRef: ElementRef<Element>, cdr: ChangeDetectorRef);
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDef<ReachTopDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDefWithMeta<ReachTopDirective, "[ngMiamReachTop]", never, { "stickyByDefault": "stickyByDefault"; }, { "reachedTop": "reachedTop"; }, never>;
}
//# sourceMappingURL=reach-top.directive.d.ts.map