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diff --git a/vendor/symfony/serializer/Normalizer/NormalizerInterface.php b/vendor/symfony/serializer/Normalizer/NormalizerInterface.php
index f7007840d..2779053f7 100644
--- a/vendor/symfony/serializer/Normalizer/NormalizerInterface.php
+++ b/vendor/symfony/serializer/Normalizer/NormalizerInterface.php
@@ -11,6 +11,10 @@
 
 namespace Symfony\Component\Serializer\Normalizer;
 
+use Symfony\Component\Serializer\Exception\CircularReferenceException;
+use Symfony\Component\Serializer\Exception\InvalidArgumentException;
+use Symfony\Component\Serializer\Exception\LogicException;
+
 /**
  * Defines the interface of normalizers.
  *
@@ -26,6 +30,11 @@ interface NormalizerInterface
      * @param array  $context Context options for the normalizer
      *
      * @return array|scalar
+     *
+     * @throws InvalidArgumentException   Occurs when the object given is not an attempted type for the normalizer
+     * @throws CircularReferenceException Occurs when the normalizer detects a circular reference when no circular
+     *                                    reference handler can fix it
+     * @throws LogicException             Occurs when the normalizer is not called in an expected context
      */
     public function normalize($object, $format = null, array $context = array());