--- /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 attributes.
+ *
+ * Primarily, the metadata stores serialization groups.
+ *
+ * @internal
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+interface AttributeMetadataInterface
+{
+ /**
+ * Gets the attribute name.
+ *
+ * @return string
+ */
+ public function getName();
+
+ /**
+ * Adds this attribute to the given group.
+ *
+ * @param string $group
+ */
+ public function addGroup($group);
+
+ /**
+ * Gets groups of this attribute.
+ *
+ * @return string[]
+ */
+ public function getGroups();
+
+ /**
+ * Merges an {@see AttributeMetadataInterface} with in the current one.
+ *
+ * @param AttributeMetadataInterface $attributeMetadata
+ */
+ public function merge(AttributeMetadataInterface $attributeMetadata);
+}