Update to Drupal 8.1.0. For more information, see https://www.drupal.org/drupal-8.1.0-release-notes

core/lib/Drupal/Component/Discovery/DiscoverableInterface.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Component\Discovery\DiscoverableInterface.
- */
-
 namespace Drupal\Component\Discovery;
 
 /**
@@ -17,6 +12,9 @@ interface DiscoverableInterface {
    *
    * @return array
    *   An array of discovered data keyed by provider.
+   *
+   * @throws \Drupal\Component\Discovery\DiscoveryException
+   *   Exception thrown if there is a problem during discovery.
    */
   public function findAll();