FTPExtension

class \Drupal\Core\FileTransfer\FileTransfer
- class \Drupal\Core\FileTransfer\FTP extends \Drupal\Core\FileTransfer\FileTransfer
  - class \Drupal\Core\FileTransfer\FTPExtension extends \Drupal\Core\FileTransfer\FTP implements \Drupal\Core\FileTransfer\ChmodInterface
- class \Drupal\Core\FileTransfer\Local extends \Drupal\Core\FileTransfer\FileTransfer implements \Drupal\Core\FileTransfer\ChmodInterface uses \Drupal\Core\DependencyInjection\DependencySerializationTrait
- class \Drupal\Core\FileTransfer\SSH extends \Drupal\Core\FileTransfer\FileTransfer implements \Drupal\Core\FileTransfer\ChmodInterface