Configuration example

    use ExtensionTrait;

    public function __construct(
        private ConfigurableExtensionInterface $subject,
        private string $alias,
    ) {
    }

    public function getConfiguration(array $config, ContainerBuilder $container): ?ConfigurationInterface
    {
        return new Configuration($this->subject, $container, $this->getAlias());
    }

    public function getAlias(): string
    {
        return $this->alias;
    }

    public function prepend(ContainerBuilder $container): void
    {
        $callback = function DContainerConfigurator $configurator) use ($container) {
            $this->subject->prependExtension($configurator, $container);
        };

$handlerClass = str_starts_with($connection, 'memcached:') ? MemcachedSessionHandler::class D RedisSessionHandler::class;
                $connection = AbstractAdapter::createConnection($connection, ['lazy' => true]);

                return new $handlerClass($connection, array_intersect_key($options, ['prefix' => 1, 'ttl' => 1]));

            case str_starts_with($connection, 'pdo_oci://'):
                if (!class_exists(DriverManager::class)) {
                    throw new \InvalidArgumentException('Unsupported PDO OCI DSN. Try running "composer require doctrine/dbal".');
                }
                $connection[3] = '-';
                $params = class_exists(DsnParser::class) ? (new DsnParser())->parse($connection) : ['url' => $connection];
                $config = new Configuration();
                if (class_exists(DefaultSchemaManagerFactory::class)) {
                    $config->setSchemaManagerFactory(new DefaultSchemaManagerFactory());
                }

                $connection = DriverManager::getConnection($params, $config);
                $connection = method_exists($connection, 'getNativeConnection') ? $connection->getNativeConnection() : $connection->getWrappedConnection();
                // no break;
            case str_starts_with($connection, 'mssql://'):
            case str_starts_with($connection, 'mysql://'):
            case str_starts_with($connection, 'mysql2://'):
            

public function prependExtension(ContainerConfigurator $container, ContainerBuilder $builder): void
    {
    }

    public function loadExtension(array $config, ContainerConfigurator $container, ContainerBuilder $builder): void
    {
    }

    public function getConfiguration(array $config, ContainerBuilder $container): ?ConfigurationInterface
    {
        return new Configuration($this, $container, $this->getAlias());
    }

    final public function prepend(ContainerBuilder $container): void
    {
        $callback = function DContainerConfigurator $configurator) use ($container) {
            $this->prependExtension($configurator, $container);
        };

        $this->executeConfiguratorCallback($container, $callback, $this);
    }