Initial commit，修正

vendor/yiisoft/yii2/rbac/Assignment.php

@@ -0,0 +1,36 @@
+<?php
+/**
+ * @link https://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license https://www.yiiframework.com/license/
+ */
+
+namespace yii\rbac;
+
+use Yii;
+use yii\base\BaseObject;
+
+/**
+ * Assignment represents an assignment of a role to a user.
+ *
+ * For more details and usage information on Assignment, see the [guide article on security authorization](guide:security-authorization).
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @author Alexander Kochetov <creocoder@gmail.com>
+ * @since 2.0
+ */
+class Assignment extends BaseObject
+{
+    /**
+     * @var string|int user ID (see [[\yii\web\User::id]])
+     */
+    public $userId;
+    /**
+     * @var string the role name
+     */
+    public $roleName;
+    /**
+     * @var int UNIX timestamp representing the assignment creation time
+     */
+    public $createdAt;
+}