src/ServiceProvider/DoctrineOrmServiceProvider.php
private function getOrmMappingDriverFactoryYaml(Container $container): callable
    {
        return $container->protect(function (array $mapping, Configuration $config) {
            return new YamlDriver($mapping['path'], $mapping['extension'] ?? YamlDriver::DEFAULT_FILE_EXTENSION);
        });
    }
private function getOrmMappingDriverFactoryYaml(Container $container): callable
    {
        return $container->protect(function (array $mapping, Configuration $config) {
            return new YamlDriver($mapping['path'], $mapping['extension'] ?? YamlDriver::DEFAULT_FILE_EXTENSION);
        });
    }
@param Container $container

@return callable