cs: Fix code style (safe rules only).

src/Bundle/ChillMainBundle/Center/GroupingCenterInterface.php

@@ -1,27 +1,33 @@
 <?php
-/*
- * 
+
+/**
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
  */
+
 namespace Chill\MainBundle\Center;
 
 /**
  * Interface to declare a groups of centers.
- * 
- * This interface is used to declare a groups of centers in 
+ *
+ * This interface is used to declare a groups of centers in
  * `Chill\MainBundle\Form\Export\PickCenterType`.
- * 
  */
 interface GroupingCenterInterface
 {
     /**
-     * @return string[]
-     */
-    public function getGroups($authorizedCenters = null): array;
-    
-    /**
-     * 
      * @param string $group
+     *
      * @return \Chill\MainBundle\Entity\Center[]
      */
     public function getCentersForGroup($group);
+
+    /**
+     * @param mixed|null $authorizedCenters
+     *
+     * @return string[]
+     */
+    public function getGroups($authorizedCenters = null): array;
 }