Expanded class hierarchy of DummyReadOnlyStreamWrapper

class \Drupal\Core\StreamWrapper\LocalStream implements StreamWrapperInterface
- class \Drupal\Core\StreamWrapper\LocalReadOnlyStream
  - class \Drupal\file_test\DummyReadOnlyStreamWrapper
- class \Drupal\Core\StreamWrapper\PrivateStream
- class \Drupal\Core\StreamWrapper\PublicStream
- class \Drupal\Core\StreamWrapper\TemporaryStream
- class \Drupal\file_test\DummyStreamWrapper
- class \Drupal\locale\TranslationsStream