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system/vendor/league/oauth2-client/src/Grant/RefreshToken.php

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+<?php
+/**
+ * This file is part of the league/oauth2-client library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Alex Bilbie <hello@alexbilbie.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ * @link http://thephpleague.com/oauth2-client/ Documentation
+ * @link https://packagist.org/packages/league/oauth2-client Packagist
+ * @link https://github.com/thephpleague/oauth2-client GitHub
+ */
+
+namespace League\OAuth2\Client\Grant;
+
+/**
+ * Represents a refresh token grant.
+ *
+ * @link http://tools.ietf.org/html/rfc6749#section-6 Refreshing an Access Token (RFC 6749, §6)
+ */
+class RefreshToken extends AbstractGrant
+{
+    /**
+     * @inheritdoc
+     */
+    protected function getName()
+    {
+        return 'refresh_token';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function getRequiredRequestParameters()
+    {
+        return [
+            'refresh_token',
+        ];
+    }
+}