--- /dev/null
+<?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 set of attributes to serialize or deserialize.
+ *
+ * There may only exist one metadata for each attribute according to its name.
+ *
+ * @internal
+ *
+ * @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();
+}