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<?php
/**
* @file
* Contains \Drupal\Core\Authentication\AuthenticationProviderInterface.
*/
namespace Drupal\Core\Authentication;
use Symfony\Component\HttpFoundation\Request;
/**
* Interface for authentication providers.
*/
interface AuthenticationProviderInterface {
/**
* Checks whether suitable authentication credentials are on the request.
*
* @param \Symfony\Component\HttpFoundation\Request $request
* The request object.
*
* @return bool
* TRUE if authentication credentials suitable for this provider are on the
* request, FALSE otherwise.
*/
public function applies(Request $request);
/**
* Authenticates the user.
*
* @param \Symfony\Component\HttpFoundation\Request|NULL $request
* The request object.
*
* @return \Drupal\Core\Session\AccountInterface|NULL