ApiPlatform\Core\Metadata\Property\Factory\SerializerPropertyMetadataFactory::getResourceSerializerGroups PHP Метод

    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);
    }