import { AfterViewInit, ElementRef, Injector, OnDestroy } from '@angular/core';
import { Observable } from 'rxjs';
export declare class Hover implements AfterViewInit, OnDestroy {
    changes: Observable<boolean>;
    private afterViewInit$;
    private onDestroy$;
    constructor(el: ElementRef);
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
}
export declare class HoverFactory {
    create(injector: Injector): Hover;
}