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    <h3>Editing: BundleExtension.php</h3>
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/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpKernel\Bundle;

use Symfony\Component\Config\Definition\Configuration;
use Symfony\Component\Config\Definition\ConfigurationInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Extension\ConfigurableExtensionInterface;
use Symfony\Component\DependencyInjection\Extension\Extension;
use Symfony\Component\DependencyInjection\Extension\ExtensionTrait;
use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;

/**
 * @author Yonel Ceruto &lt;yonelceruto@gmail.com&gt;
 *
 * @internal
 */
class BundleExtension extends Extension implements PrependExtensionInterface
{
    use ExtensionTrait;

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

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

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

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

        $this-&gt;executeConfiguratorCallback($container, $callback, $this-&gt;subject);
    }

    public function load(array $configs, ContainerBuilder $container): void
    {
        $config = $this-&gt;processConfiguration($this-&gt;getConfiguration([], $container), $configs);

        $callback = function (ContainerConfigurator $configurator) use ($config, $container) {
            $this-&gt;subject-&gt;loadExtension($config, $configurator, $container);
        };

        $this-&gt;executeConfiguratorCallback($container, $callback, $this-&gt;subject);
    }
}
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