namespace Drupal\system\Controller

Classsort descending Location Description
AdminController drupal/core/modules/system/lib/Drupal/system/Controller/AdminController.php Controller for admin section.
SystemInfoController drupal/core/modules/system/lib/Drupal/system/Controller/SystemInfoController.php Returns responses for System Info routes.
ThemeController drupal/core/modules/system/lib/Drupal/system/Controller/ThemeController.php Controller for theme handling.