updated core to 1.7.15

system/src/Grav/Common/GPM/Remote/Plugins.php

@@ -1,26 +1,29 @@
 <?php
+
 /**
- * @package    Grav.Common.GPM
+ * @package    Grav\Common\GPM
  *
- * @copyright  Copyright (C) 2015 - 2018 Trilby Media, LLC. All rights reserved.
+ * @copyright  Copyright (c) 2015 - 2021 Trilby Media, LLC. All rights reserved.
  * @license    MIT License; see LICENSE file for details.
  */
 
 namespace Grav\Common\GPM\Remote;
 
+/**
+ * Class Plugins
+ * @package Grav\Common\GPM\Remote
+ */
 class Plugins extends AbstractPackageCollection
 {
-    /**
-     * @var string
-     */
+    /** @var string */
     protected $type = 'plugins';
-
+    /** @var string */
     protected $repository = 'https://getgrav.org/downloads/plugins.json';
 
     /**
      * Local Plugins Constructor
      * @param bool $refresh
-     * @param callable $callback Either a function or callback in array notation
+     * @param callable|null $callback Either a function or callback in array notation
      */
     public function __construct($refresh = false, $callback = null)
     {