curl -i -X DELETE "https://api.box.com/2.0/folders/4353455/trash" \
     -H "authorization: Bearer <ACCESS_TOKEN>"

await client.trashedFolders.deleteTrashedFolderById(folder.id);

client.trashed_folders.delete_trashed_folder_by_id(folder.id)

await client.TrashedFolders.DeleteTrashedFolderByIdAsync(folderId: folder.Id);

String folder = "123456";
BoxTrash trash = new BoxTrash(api);
trash.deleteFolder(folderID);

folder = client.folder(folder_id='22222')
client.trash().permanently_delete_item(folder)
print('The folder was deleted from trash!')

await client.FoldersManager.PurgeTrashedFolderAsync("22222");

client.folders.deletePermanently('22222')
	.then(() => {
		// deletion succeeded — no value returned
	});