NgDocTooltipDirective

constructor(
	private readonly elementRef: ElementRef<HTMLElement>, 
	private readonly changeDetectorRef: ChangeDetectorRef, 
	private readonly viewContainerRef: ViewContainerRef, 
	private readonly overlayService: NgDocOverlayService, 
	private readonly ngZone: NgZone, 
	private readonly scrollStrategy: NgDocOverlayStrategy
): NgDocTooltipDirective;

get isOpened(): boolean;

hide(): void;

ngAfterViewInit(): void;

ngOnDestroy(): void;

show(): void;