--- /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\Factory;
+
+use Symfony\Component\Serializer\Exception\InvalidArgumentException;
+use Symfony\Component\Serializer\Mapping\ClassMetadataInterface;
+
+/**
+ * Returns a {@see ClassMetadataInterface}.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+interface ClassMetadataFactoryInterface
+{
+ /**
+ * If the method was called with the same class name (or an object of that
+ * class) before, the same metadata instance is returned.
+ *
+ * If the factory was configured with a cache, this method will first look
+ * for an existing metadata instance in the cache. If an existing instance
+ * is found, it will be returned without further ado.
+ *
+ * Otherwise, a new metadata instance is created. If the factory was
+ * configured with a loader, the metadata is passed to the
+ * {@link \Symfony\Component\Serializer\Mapping\Loader\LoaderInterface::loadClassMetadata()} method for further
+ * configuration. At last, the new object is returned.
+ *
+ * @param string|object $value
+ *
+ * @return ClassMetadataInterface
+ *
+ * @throws InvalidArgumentException
+ */
+ public function getMetadataFor($value);
+
+ /**
+ * Checks if class has metadata.
+ *
+ * @param mixed $value
+ *
+ * @return bool
+ */
+ public function hasMetadataFor($value);
+}