+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = [
+ 'language',
+ 'content_translation',
+ 'config_translation',
+ 'telephone',
+ 'aggregator',
+ 'book',
+ 'forum',
+ 'statistics',
+ 'syslog',
+ 'tracker',
+ 'update',
+ // Required for translation migrations.
+ 'migrate_drupal_multilingual',
+ ];
+