AuthenticationProviderInterface

class \Drupal\Core\Authentication\AuthenticationManager extends \Drupal\Core\Authentication\AuthenticationProviderInterface, \Drupal\Core\Authentication\AuthenticationProviderFilterInterface, \Drupal\Core\Authentication\AuthenticationProviderChallengeInterface
class \Drupal\Tests\Core\Authentication\TestAuthenticationProvider extends \Drupal\Core\Authentication\AuthenticationProviderInterface
class \Drupal\basic_auth\Authentication\Provider\BasicAuth extends \Drupal\Core\Authentication\AuthenticationProviderInterface, \Drupal\Core\Authentication\AuthenticationProviderChallengeInterface
class \Drupal\early_translation_test\Auth extends \Drupal\Core\Authentication\AuthenticationProviderInterface
class \Drupal\rest_test\Authentication\Provider\TestAuth extends \Drupal\Core\Authentication\AuthenticationProviderInterface
class \Drupal\rest_test\Authentication\Provider\TestAuthGlobal extends \Drupal\Core\Authentication\AuthenticationProviderInterface
class \Drupal\user\Authentication\Provider\Cookie extends \Drupal\Core\Authentication\AuthenticationProviderInterface, \Symfony\Component\EventDispatcher\EventSubscriberInterface uses \Drupal\Core\StringTranslation\StringTranslationTrait

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