Rename plugins to libs and update all file references

libs/stripe-php/lib/OAuthErrorObject.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Stripe;
+
+/**
+ * Class OAuthErrorObject.
+ *
+ * @property string $error
+ * @property string $error_description
+ */
+class OAuthErrorObject extends StripeObject
+{
+    /**
+     * Refreshes this object using the provided values.
+     *
+     * @param array $values
+     * @param null|array|string|Util\RequestOptions $opts
+     * @param bool $partial defaults to false
+     * @param 'v1'|'v2' $apiMode
+     */
+    public function refreshFrom($values, $opts, $partial = false, $apiMode = 'v1')
+    {
+        // Unlike most other API resources, the API will omit attributes in
+        // error objects when they have a null value. We manually set default
+        // values here to facilitate generic error handling.
+        $values = \array_merge([
+            'error' => null,
+            'error_description' => null,
+        ], $values);
+        parent::refreshFrom($values, $opts, $partial);
+    }
+}