--- /dev/null
+<?php
+
+namespace Drupal\Core\Installer;
+
+use Drupal\Core\DependencyInjection\ContainerBuilder;
+use Drupal\Core\DependencyInjection\ServiceProviderInterface;
+
+/**
+ * Service provider for the non early installer environment.
+ */
+class NormalInstallerServiceProvider implements ServiceProviderInterface {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function register(ContainerBuilder $container) {
+ // Use a performance optimised module extension list.
+ $container->getDefinition('extension.list.module')->setClass('Drupal\Core\Installer\InstallerModuleExtensionList');
+ }
+
+}