maintenance-1.0.0-beta1/maintenance.services.yml

services:
  maintenance_mode:
    class: Drupal\maintenance\Maintenance
    arguments:
      - '@state'
      - '@config.factory'
      - '@request_stack'
      - '@path.matcher'
      - '@path.current'
      - '@maintenance.manager'

  maintenance.manager:
    class: Drupal\maintenance\MaintenanceManager
    arguments:
      - '@config.factory'
      - '@current_user'
      - '@module_handler'
    tags:
      - { name: backend_overridable }

  maintenance.maintenance_route_subscriber:
    class: Drupal\maintenance\Routing\MaintenanceRouteSubscriber
    tags:
      - { name: event_subscriber }

  maintenance.maintenance_event_subscriber:
    class: Drupal\maintenance\EventSubscriber\MaintenanceSubscriber
    arguments:
      - '@maintenance_mode'
      - '@maintenance.manager'
      - '@config.factory'
      - '@state'
      - '@current_user'
      - '@path.current'
      - '@datetime.time'
      - '@bare_html_page_renderer'
      - '@entity_type.manager'
      - '@messenger'
    tags:
      - { name: event_subscriber }