public StorageInterface::delete($name)

public StorageInterface::listAll($prefix = '')

public StorageInterface::createCollection($collection)

public StorageInterface::rename($name, $new_name)

Defines an interface for configuration storage. Classes implementing this interface allow reading and writing configuration data from and to

public StorageInterface::readMultiple(array $names)

public StorageInterface::exists($name)

public StorageInterface::getCollectionName()

public StorageInterface::write($name, array $data)

The default collection name. File core/lib/Drupal/Core/Config/StorageInterface.php, line 16