Update Composer, update everything

vendor/doctrine/cache/lib/Doctrine/Common/Cache/MultiGetCache.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Doctrine\Common\Cache;
+
+/**
+ * Interface for cache drivers that allows to get many items at once.
+ *
+ * @link   www.doctrine-project.org
+ * @deprecated
+ */
+interface MultiGetCache
+{
+    /**
+     * Returns an associative array of values for keys is found in cache.
+     *
+     * @param string[] $keys Array of keys to retrieve from cache
+     * @return mixed[] Array of retrieved values, indexed by the specified keys.
+     *                 Values that couldn't be retrieved are not contained in this array.
+     */
+    public function fetchMultiple(array $keys);
+}