upgrade

vendor/symfony/cache/Adapter/AdapterInterface.php

@@ -0,0 +1,37 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Cache\Adapter;
+
+use Psr\Cache\CacheItemPoolInterface;
+use Symfony\Component\Cache\CacheItem;
+
+/**
+ * Interface for adapters managing instances of Symfony's CacheItem.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+interface AdapterInterface extends CacheItemPoolInterface
+{
+    /**
+     * {@inheritdoc}
+     *
+     * @return CacheItem
+     */
+    public function getItem($key);
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return \Traversable|CacheItem[]
+     */
+    public function getItems(array $keys = []);
+}