src/vs/base/browser/ui/tree/asyncDataTree.ts/CompressibleAsyncDataTreeRenderer/renderCompressedElements
class CompressibleAsyncDataTreeRenderer:	renderCompressedElements(node: ITreeNode<ICompressedTreeNode<IAsyncDataTreeNode<TInput, T>>, TFilterData>, index: number, templateData: IDataTreeListTemplateData<TTemplateData>, height: number | undefined): void {
		this.renderer.renderCompressedElements(this.compressibleNodeMapperProvider().map(node) as ITreeNode<ICompressedTreeNode<T>, TFilterData>, index, templateData.templateData, height);
	}