onlyone-8.x-1.x-dev/modules/onlyone_admin_toolbar/onlyone_admin_toolbar.services.yml

services:
  onlyone.admin_toolbar:
    class: Drupal\onlyone_admin_toolbar\OnlyOneAdminToolbar
    arguments: ['@config.factory', '@router.builder']

  onlyone.content_types.updated:
    class: Drupal\onlyone_admin_toolbar\EventSubscriber\ContentTypesUpdatedSubscriber
    arguments: ['@router.builder']    
    tags:
      - { name: 'event_subscriber' }