src/vs/base/browser/ui/tree/objectTree.ts/ObjectTree/constructor
class ObjectTree:	constructor(
		protected readonly user: string,
		container: HTMLElement,
		delegate: IListVirtualDelegate<T>,
		renderers: ITreeRenderer<T, TFilterData, any>[],
		options: IObjectTreeOptions<T, TFilterData> = {}
	) {
		super(user, container, delegate, renderers, options as IObjectTreeOptions<T | null, TFilterData>);
	}