Fixes for issue UnimplementedInterfaceMethod: Method getsupportedtype…

…s is not defined

src/Api/ApigeeX/Denormalizer/AppGroupMembershipDenormalizer.php

@@ -61,4 +61,14 @@ public function supportsDenormalization($data, $type, $format = null)
 
         return AppGroupMembership::class === $type || $type instanceof AppGroupMembership;
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getSupportedTypes(?string $format): array
+    {
+        return [
+            AppGroupMembership::class => true,
+        ];
+    }
 }

src/Api/Management/Query/StatsQueryNormalizer.php

@@ -20,6 +20,8 @@
 
 use Apigee\Edge\Serializer\JsonEncoder;
 use DateTimeZone;
+use StatsQuery;
+use StatsQueryInterface;
 use Symfony\Component\Serializer\Normalizer\AbstractNormalizer;
 use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
 use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
@@ -96,4 +98,14 @@ public function supportsNormalization($data, $format = null)
     {
         return $data instanceof StatsQuery;
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getSupportedTypes(?string $format): array
+    {
+        return [
+            StatsQueryInterface::class => true,
+        ];
+    }
 }

src/Serializer/EntitySerializer.php

@@ -231,4 +231,14 @@ protected function jsonEncoder(): JsonEncoder
         // transforms objects to arrays.
         return new JsonEncoder(new JsonDecode());
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getSupportedTypes(?string $format): array
+    {
+        return [
+            EntitySerializerInterface::class => true,
+        ];
+    }
 }