allow vendord

vendor/mollie/mollie-api-php/src/HttpAdapter/MollieHttpAdapterInterface.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Mollie\Api\HttpAdapter;
+
+interface MollieHttpAdapterInterface
+{
+    /**
+     * Send a request to the specified Mollie api url.
+     *
+     * @param string $httpMethod
+     * @param string $url
+     * @param string|array $headers
+     * @param string $httpBody
+     * @return \stdClass|null
+     * @throws \Mollie\Api\Exceptions\ApiException
+     */
+    public function send($httpMethod, $url, $headers, $httpBody);
+
+    /**
+     * The version number for the underlying http client, if available.
+     * @example Guzzle/6.3
+     *
+     * @return string|null
+     */
+    public function versionString();
+}