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

vendor/symfony/serializer/Normalizer/DenormalizerInterface.php

@@ -0,0 +1,43 @@
+<?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\Serializer\Normalizer;
+
+/**
+ * Defines the interface of denormalizers.
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+interface DenormalizerInterface
+{
+    /**
+     * Denormalizes data back into an object of the given class.
+     *
+     * @param mixed  $data    data to restore
+     * @param string $class   the expected class to instantiate
+     * @param string $format  format the given data was extracted from
+     * @param array  $context options available to the denormalizer
+     *
+     * @return object
+     */
+    public function denormalize($data, $class, $format = null, array $context = array());
+
+    /**
+     * Checks whether the given class is supported for denormalization by this normalizer.
+     *
+     * @param mixed  $data   Data to denormalize from.
+     * @param string $type   The class to which the data should be denormalized.
+     * @param string $format The format being deserialized from.
+     *
+     * @return bool
+     */
+    public function supportsDenormalization($data, $type, $format = null);
+}