feat: 初始化雄戈商城服务端代码与Webhook自动部署配置

addons/epay/library/hyperf/contract/src/PoolInterface.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://hyperf.wiki
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
+namespace Hyperf\Contract;
+
+interface PoolInterface
+{
+    /**
+     * Get a connection from the connection pool.
+     */
+    public function get(): ConnectionInterface;
+
+    /**
+     * Release a connection back to the connection pool.
+     */
+    public function release(ConnectionInterface $connection): void;
+
+    /**
+     * Close and clear the connection pool.
+     */
+    public function flush(): void;
+}