src/vs/base/browser/ui/tree/dataTree.ts/DataTree/createModel
class DataTree:	protected createModel(user: string, view: IList<ITreeNode<T, TFilterData>>, options: IDataTreeOptions<T, TFilterData>): ITreeModel<T | null, TFilterData, T | null> {
		return new ObjectTreeModel(user, view, options);
	}