src/vs/workbench/contrib/extensions/browser/extensionsWidgets.ts/TooltipWidget/constructor
class TooltipWidget:	constructor(
		private readonly parent: HTMLElement,
		private readonly tooltipAction: ExtensionToolTipAction,
		private readonly recommendationWidget: RecommendationWidget,
		@ILabelService private readonly labelService: ILabelService
	) {
		super();
		this._register(Event.any<any>(
			this.tooltipAction.onDidChange,
			this.recommendationWidget.onDidChangeTooltip,
			this.labelService.onDidChangeFormatters
		)(() => this.render()));
	}