src/vs/base/browser/ui/tree/asyncDataTree.ts/AsyncDataTreeNodeListDragAndDrop/drop
class AsyncDataTreeNodeListDragAndDrop:	drop(data: IDragAndDropData, targetNode: IAsyncDataTreeNode<TInput, T> | undefined, targetIndex: number | undefined, originalEvent: DragEvent): void {
		this.dnd.drop(asAsyncDataTreeDragAndDropData(data), targetNode && targetNode.element as T, targetIndex, originalEvent);
	}