ContainerInteropDoctrine\AbstractFactory::retrieveDependency PHP Метод

    protected function retrieveDependency(ContainerInterface $container, $configKey, $section, $factoryClassName)
    {
        $containerKey = sprintf('doctrine.%s.%s', $section, $configKey);
        if ($container->has($containerKey)) {
            return $container->get($containerKey);
        }
        return (new $factoryClassName($configKey))->__invoke($container);
    }