All classes that implement FileStorageInterface in Drupal 8
- class \Drupal\file\FileStorage implements FileStorageInterface
- class \Drupal\mongodb_file\MongodbFileStorage implements FileStorageInterface
- class \Drupal\multiversion\Entity\Storage\Sql\FileStorage implements ContentEntityStorageInterface uses ContentEntityStorageTrait
- class \Drupal\multiversion\Entity\Storage\Sql\FileStorage implements ContentEntityStorageInterface uses ContentEntityStorageTrait