<?php/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */namespace Symfony\Component\Security\Core\Authentication\Provider;use Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface;use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;trigger_deprecation('symfony/security-core', '5.3', 'The "%s" interface is deprecated, use the new authenticator system instead.', AuthenticationProviderInterface::class);/** * AuthenticationProviderInterface is the interface for all authentication * providers. * * Concrete implementations processes specific Token instances. * * @author Fabien Potencier <fabien@symfony.com> * * @deprecated since Symfony 5.3, use the new authenticator system instead */interface AuthenticationProviderInterface extends AuthenticationManagerInterface{ /** * Use this constant for not provided username. * * @var string */ public const USERNAME_NONE_PROVIDED = 'NONE_PROVIDED'; /** * Checks whether this provider supports the given token. * * @return bool */ public function supports(TokenInterface $token);}