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

services:
  onlyone:
    class: Drupal\onlyone\OnlyOne
    arguments: ['@entity_type.manager', '@database', '@language_manager', '@config.factory', '@string_translation']

  onlyone.module_handler:
    class: Drupal\onlyone\OnlyOneModuleHandler
    arguments: ['@module_handler', '@renderer', '@extension.list.module']

  onlyone.route_subscriber:
    class: Drupal\onlyone\Routing\RouteSubscriber
    arguments: ['@config.factory', '@plugin.manager.menu.local_action']
    tags:
      - { name: event_subscriber }