All classes that implement StreamWrapperInterface

class \Drupal\Core\StreamWrapper\LocalStream implements StreamWrapperInterface
class \Drupal\Core\StreamWrapper\PrivateStream
class \Drupal\Core\StreamWrapper\PublicStream
class \Drupal\Core\StreamWrapper\TemporaryStream
class \Drupal\file_test\DummyRemoteStreamWrapper
class \Drupal\file_test\DummyStreamWrapper
class \Drupal\locale\TranslationsStream