private function getResourceSerializerGroups(string $resourceClass) : array
{
$serializerClassMetadata = $this->serializerClassMetadataFactory->getMetadataFor($resourceClass);
$groups = [];
foreach ($serializerClassMetadata->getAttributesMetadata() as $serializerAttributeMetadata) {
$groups = array_merge($groups, $serializerAttributeMetadata->getGroups());
}
return array_unique($groups);
}