<?phpnamespace CodeBuds\WebPConversionBundle;use CodeBuds\WebPConversionBundle\DependencyInjection\WebPConversionExtension;use Symfony\Component\DependencyInjection\Extension\ExtensionInterface;use Symfony\Component\HttpKernel\Bundle\Bundle;class WebPConversionBundle extends Bundle{ public function getContainerExtension(): ?ExtensionInterface { if (null === $this->extension) { $this->extension = new WebPConversionExtension(); } return $this->extension; }}