add FlowMetering/Lib/FlowMeteringInterface.php

src/FlowMetering/Lib/FlowMeteringInterface.php

+<?php
+/**
+ * This file is part of Swoft.
+ *
+ * @link https://swoft.org
+ * @document https://doc.swoft.org
+ * @contact group@swoft.org
+ * @license https://github.com/swoft-cloud/swoft/blob/master/LICENSE
+ */
+
+namespace Hdll\Services\FlowMetering\Lib;
+
+use Swoft\Core\ResultInterface;
+
+/**
+ * The interface of demo service
+ *
+ * @method  ResultInterface deferBackNum(string $token, int $consignee_id, int $limit_id, int $selected_num, int $order_type, int $goods_id, string $reservation_time = '')
+
+ */
+interface FlowMeteringInterface
+{
+    /**
+     *
+     * 补回  未支付 限购活动  库存
+     * @param string $token
+     * @param int $consignee_id
+     * @param int $limit_id
+     * @param int $selected_num
+     * @param int $order_type
+     * @param int $goods_id
+     * @param string $reservation_time
+     * @return mixed
+     */
+    public function backNum(
+        string $token,
+        int $consignee_id,
+        int $limit_id,
+        int $selected_num,
+        int $order_type,
+        int $goods_id,
+        string $reservation_time = '');
+}
\ No newline at end of file