services:
  theme.negotiator.block.admin_demo:
    class: Drupal\block\Theme\AdminDemoNegotiator
    tags:
      - { name: theme_negotiator, priority: 1000 }
  block.current_user_context:
    class: Drupal\block\EventSubscriber\CurrentUserContext
    arguments: ['@current_user', '@entity.manager']
    tags:
      - { name: 'event_subscriber' }
  block.current_language_context:
    class: Drupal\block\EventSubscriber\CurrentLanguageContext
    arguments: ['@language_manager']
    tags:
      - { name: 'event_subscriber' }
  block.node_route_context:
    class: Drupal\block\EventSubscriber\NodeRouteContext
    arguments: ['@current_route_match']
    tags:
      - { name: 'event_subscriber' }