responsive_preview-8.x-1.0/responsive_preview.services.yml

services:
  cache_context.route.is_admin:
      class: Drupal\responsive_preview\Cache\RouteAdminCacheContext
      arguments: ['@router.admin_context']
      tags:
        - { name: cache.context }
  responsive_preview:
      class: Drupal\responsive_preview\ResponsivePreview
      arguments:
        - '@router.admin_context'
        - '@current_route_match'
        - '@entity_type.manager'
        - '@current_user'
        - '@request_stack'