ごみ箱内にあるフォルダを完全に削除します。このアクションは取り消せません。
curl -X DELETE https://api.box.com/2.0/folders/4353455/trash \
-H 'Authorization: Bearer <ACCESS_TOKEN>'
await client.FoldersManager.PurgeTrashedFolderAsync("22222");
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!')
client.folders.deletePermanently('22222')
.then(() => {
// deletion succeeded — no value returned
});