#19404: Fixed code styles

Author: sivaschenko

app/code/Magento/Newsletter/Controller/Subscriber/NewAction.php

@@ -10,6 +10,7 @@
 use Magento\Customer\Model\Session;
 use Magento\Customer\Model\Url as CustomerUrl;
 use Magento\Framework\App\Action\Context;
+use Magento\Framework\App\Action\HttpPostActionInterface;
 use Magento\Framework\App\Config\ScopeConfigInterface;
 use Magento\Framework\App\ObjectManager;
 use Magento\Framework\Exception\LocalizedException;
@@ -22,9 +23,11 @@
 use Magento\Newsletter\Model\SubscriberFactory;
 
 /**
+ * New newsletter subscription action
+ *
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
-class NewAction extends SubscriberController
+class NewAction extends SubscriberController implements HttpPostActionInterface
 {
     /**
      * @var CustomerAccountManagement
@@ -160,6 +163,8 @@ public function execute()
     }
 
     /**
+     * Get success message
+     *
      * @param int $status
      * @return Phrase
      */