import { EventEmitter, ElementRef, NgZone, Renderer2, OnInit, OnDestroy } from '@angular/core'; export declare class KeydownEnterDirective implements OnInit, OnDestroy { private host; private ngZone; private renderer; keydown: EventEmitter; private keydownListener; constructor(host: ElementRef, ngZone: NgZone, renderer: Renderer2); ngOnInit(): void; ngOnDestroy(): void; }