Defines an interface for flood controllers. Hierarchy interface \Drupal\Core\Flood\

public MemoryBackend::garbageCollection() Cleans

public DatabaseBackend::clear($name, $identifier = NULL)

Defines the memory flood backend. This is used for testing. Hierarchy class \Drupal\Core\Flood\

public DatabaseBackend::isAllowed($name, $threshold, $window = 3600

protected DatabaseBackend::ensureTableExists()