src/vs/base/browser/ui/tree/compressedObjectTreeModel.ts/CompressibleObjectTreeModel/setChildren
class CompressibleObjectTreeModel:	setChildren(
		element: T | null,
		children: Iterable<ICompressedTreeElement<T>> = Iterable.empty(),
		options: IObjectTreeModelSetChildrenOptions<T, TFilterData> = {},
	): void {
		this.model.setChildren(element, children, options);
	}