All classes that implement PhpStorageInterface in Drupal 9
- class \Drupal\Component\PhpStorage\FileReadOnlyStorage implements PhpStorageInterface
- class \Drupal\Component\PhpStorage\FileStorage implements PhpStorageInterface
- class \Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage
- class \Drupal\Component\PhpStorage\MTimeProtectedFileStorage