services:
  access_check.cron:
    class: Drupal\system\Access\CronAccessCheck
    tags:
      - { name: access_check }
  plugin.manager.system.plugin_ui:
    class: Drupal\system\Plugin\Type\PluginUIManager
    arguments: ['@container.namespaces']
  system.manager:
    class: Drupal\system\SystemManager
    arguments: ['@module_handler', '@database']