public SystemController::__construct(SystemManager $systemManager, QueryFactory $queryFactory, ThemeAccessCheck $theme_access, FormBuilderInterface $form_builder, ThemeHandlerInterface $theme_handler, MenuLinkTreeInterface $menu_link_tree)
Constructs a new SystemController.
Parameters
\Drupal\system\SystemManager $systemManager: System manager service.
\Drupal\Core\Entity\Query\QueryFactory $queryFactory: The entity query object.
\Drupal\Core\Theme\ThemeAccessCheck $theme_access: The theme acc