src/vs/base/browser/ui/list/listWidget.ts/TypeLabelController/constructor
class TypeLabelController:	constructor(
		private list: List<T>,
		private view: ListView<T>,
		private keyboardNavigationLabelProvider: IKeyboardNavigationLabelProvider<T>,
		private delegate: IKeyboardNavigationDelegate
	) {
		this.updateOptions(list.options);
	}