Created an interface for PersonJsonNormalizer

src/Bundle/ChillPersonBundle/Serializer/Normalizer/PersonJsonNormalizer.php

@@ -33,11 +33,7 @@ use function array_key_exists;
 /**
  * Serialize a Person entity.
  */
-class PersonJsonNormalizer implements
+class PersonJsonNormalizer implements PersonJsonNormalizerInterface
-    DenormalizerAwareInterface,
-    DenormalizerInterface,
-    NormalizerAwareInterface,
-    NormalizerInterface
 {
     use DenormalizerAwareTrait;
 

src/Bundle/ChillPersonBundle/Serializer/Normalizer/PersonJsonNormalizerInterface.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Chill\PersonBundle\Serializer\Normalizer;
+
+use Symfony\Component\Serializer\Normalizer\DenormalizerAwareInterface;
+use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
+use Symfony\Component\Serializer\Normalizer\NormalizerAwareInterface;
+use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
+
+/**
+ * Serialize a Person entity.
+ */
+interface PersonJsonNormalizerInterface extends
+    DenormalizerAwareInterface,
+    DenormalizerInterface,
+    NormalizerAwareInterface,
+    NormalizerInterface
+{
+    public function denormalize($data, $type, $format = null, array $context = []);
+
+    public function normalize($person, $format = null, array $context = []);
+
+    public function supportsDenormalization($data, $type, $format = null);
+
+    public function supportsNormalization($data, $format = null): bool;
+
+}