All classes that implement StorageInterface in Drupal 9

class \Drupal\Core\Config\CachedStorage implements StorageCacheInterface, StorageInterface uses DependencySerializationTrait
class \Drupal\Core\Config\DatabaseStorage implements StorageInterface uses DependencySerializationTrait
class \Drupal\Core\Config\ExtensionInstallStorage
class \Drupal\Core\Config\FileStorage implements StorageInterface
class \Drupal\Core\Config\InstallStorage
class \Drupal\Core\Config\ManagedStorage implements StorageInterface
class \Drupal\Core\Config\MemoryStorage implements StorageInterface
class \Drupal\Core\Config\NullStorage implements StorageInterface
class \Drupal\Core\Config\ReadOnlyStorage implements StorageInterface
class \Drupal\Tests\Core\Config\TestStorage
class \Drupal\Tests\config_split\Kernel\TestSplitCollectionStorage
class \Drupal\config\StorageReplaceDataWrapper implements StorageInterface uses DependencySerializationTrait
class \Drupal\config_normalizer\Config\NormalizedReadOnlyStorage implements NormalizedReadOnlyStorageInterface
class \Drupal\config_split\Config\SplitCollectionStorage implements StorageInterface
class \Drupal\config_test\TestInstallStorage
class \Drupal\content_sync\Content\ContentDatabaseStorage

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