ACPT-826

Author: aa-kashk

app/code/Magento/AsyncConfig/Plugin/Controller/System/Config/SaveAsyncConfigPlugin.php

@@ -32,12 +32,12 @@ class SaveAsyncConfigPlugin
     /**
      * @var RedirectFactory
      */
-    private RedirectFactory $resultRedirectFactory;
+    private $resultRedirectFactory;
 
     /**
      * @var ManagerInterface
      */
-    private ManagerInterface $messageManager;
+    private $messageManager;
 
     /**
      * @var const
@@ -66,7 +66,7 @@ public function __construct(
     }
 
     /**
-     * around Config save controller
+     * Around Config save controller
      *
      * @param Save $subject
      * @param callable $proceed

app/code/Magento/Config/Controller/Adminhtml/System/AbstractConfig.php

@@ -31,6 +31,7 @@ abstract class AbstractConfig extends \Magento\Backend\App\AbstractAction
     protected $_configStructure;
 
     /**
+     * @var mixed
      * @deprecated 101.0.0
      * @see Nothing
      */