--- /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\Encoder;
+
+/**
+ * Defines the interface of encoders that will normalize data themselves.
+ *
+ * Implementing this interface essentially just tells the Serializer that the
+ * data should not be pre-normalized before being passed to this Encoder.
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+interface NormalizationAwareInterface
+{
+}