[Components] Convert to native return types

Author: wouterj

EventListener/MessageLoggerListener.php

@@ -30,10 +30,7 @@ public function __construct()
         $this->events = new MessageEvents();
     }
 
-    /**
-     * @return void
-     */
-    public function reset()
+    public function reset(): void
     {
         $this->events = new MessageEvents();
     }

Transport/Smtp/SmtpTransport.php

@@ -372,10 +372,7 @@ public function __sleep(): array
         throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
     }
 
-    /**
-     * @return void
-     */
-    public function __wakeup()
+    public function __wakeup(): void
     {
         throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
     }