Add missing PHPdoc return types

Author: wouterj

Authorization/Voter/RoleHierarchyVoter.php

@@ -31,6 +31,9 @@ public function __construct(RoleHierarchyInterface $roleHierarchy, string $prefi
         parent::__construct($prefix);
     }
 
+    /**
+     * @return array
+     */
     protected function extractRoles(TokenInterface $token)
     {
         return $this->roleHierarchy->getReachableRoleNames($token->getRoleNames());

Authorization/Voter/RoleVoter.php

@@ -58,6 +58,9 @@ public function supportsType(string $subjectType): bool
         return true;
     }
 
+    /**
+     * @return array
+     */
     protected function extractRoles(TokenInterface $token)
     {
         return $token->getRoleNames();

Event/AuthenticationEvent.php

@@ -28,6 +28,9 @@ public function __construct(TokenInterface $token)
         $this->authenticationToken = $token;
     }
 
+    /**
+     * @return TokenInterface
+     */
     public function getAuthenticationToken()
     {
         return $this->authenticationToken;