Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/zendframework/zend-feed/src/Writer/Extension/RendererInterface.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Feed\Writer\Extension;
+
+use DOMDocument;
+use DOMElement;
+
+/**
+*/
+interface RendererInterface
+{
+    /**
+     * Set the data container
+     *
+     * @param  mixed $container
+     * @return void
+     */
+    public function setDataContainer($container);
+
+    /**
+     * Retrieve container
+     *
+     * @return mixed
+     */
+    public function getDataContainer();
+
+    /**
+     * Set DOMDocument and DOMElement on which to operate
+     *
+     * @param  DOMDocument $dom
+     * @param  DOMElement $base
+     * @return void
+     */
+    public function setDomDocument(DOMDocument $dom, DOMElement $base);
+
+    /**
+     * Render
+     *
+     * @return void
+     */
+    public function render();
+}