--- /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\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);
+}