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

vendor/symfony/serializer/Mapping/ClassMetadataInterface.php

@@ -0,0 +1,57 @@
+<?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\Mapping;
+
+/**
+ * Stores metadata needed for serializing and deserializing objects of specific class.
+ *
+ * Primarily, the metadata stores the list of attributes to serialize or deserialize.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+interface ClassMetadataInterface
+{
+    /**
+     * Returns the name of the backing PHP class.
+     *
+     * @return string The name of the backing class.
+     */
+    public function getName();
+
+    /**
+     * Adds an {@link AttributeMetadataInterface}.
+     *
+     * @param AttributeMetadataInterface $attributeMetadata
+     */
+    public function addAttributeMetadata(AttributeMetadataInterface $attributeMetadata);
+
+    /**
+     * Gets the list of {@link AttributeMetadataInterface}.
+     *
+     * @return AttributeMetadataInterface[]
+     */
+    public function getAttributesMetadata();
+
+    /**
+     * Merges a {@link ClassMetadataInterface} in the current one.
+     *
+     * @param ClassMetadataInterface $classMetadata
+     */
+    public function merge(ClassMetadataInterface $classMetadata);
+
+    /**
+     * Returns a {@link \ReflectionClass} instance for this class.
+     *
+     * @return \ReflectionClass
+     */
+    public function getReflectionClass();
+}