Issue #2620826 by Lars Toomre: Fix @var directive misuse in interface method docblock

core/lib/Drupal/Core/Authentication/AuthenticationProviderChallengeInterface.php

@@ -21,9 +21,9 @@ interface AuthenticationProviderChallengeInterface {
   /**
    * Constructs an exception which is used to generate the challenge.
    *
-   * @var \Symfony\Component\HttpFoundation\Request
+   * @param \Symfony\Component\HttpFoundation\Request $request
    *   The request.
-   * @var \Exception $exception
+   * @param \Exception $previous
    *   The previous exception.
    *
    * @return \Symfony\Component\HttpKernel\Exception\HttpExceptionInterface|NULL