Expanded class hierarchy of SSH in Drupal 9
- class \Drupal\Core\FileTransfer\FileTransfer
- class \Drupal\Core\FileTransfer\FTP
- class \Drupal\Core\FileTransfer\Local implements ChmodInterface uses DependencySerializationTrait
- class \Drupal\Core\FileTransfer\SSH implements ChmodInterface
- class \Drupal\Tests\system\Functional\FileTransfer\TestFileTransfer