ApiPlatform\Core\Bridge\Symfony\Bundle\DependencyInjection\ApiPlatformExtension::registerMetadataConfiguration PHP Method

    private function registerMetadataConfiguration(ContainerBuilder $container, XmlFileLoader $loader)
    {
        $loader->load('metadata.xml');
        if (!interface_exists(DocBlockFactoryInterface::class)) {
            $container->removeDefinition('api_platform.metadata.resource.metadata_factory.php_doc');
        }
    }