AuthenticationProviderChallengeInterface

class \Drupal\Core\Authentication\AuthenticationManager implements \Drupal\Core\Authentication\AuthenticationProviderInterface, \Drupal\Core\Authentication\AuthenticationProviderFilterInterface, \Drupal\Core\Authentication\AuthenticationProviderChallengeInterface
class \Drupal\basic_auth\Authentication\Provider\BasicAuth implements \Drupal\Core\Authentication\AuthenticationProviderInterface, \Drupal\Core\Authentication\AuthenticationProviderChallengeInterface