arch-8.x-1.x-dev/modules/checkout/arch_checkout.services.yml

services:
  plugin.manager.checkout_type:
    class: Drupal\arch_checkout\CheckoutType\CheckoutTypeManager
    parent: default_plugin_manager
    arguments:
      - '@logger.factory'
      - '@config.factory'

  arch_checkout.order_id_param_converter:
    class: Drupal\arch_checkout\Routing\OrderIdParamConverter
    arguments:
      - '@entity_type.manager'
    tags:
      - { name: paramconverter }

  arch_checkout.checkout_complete_page.access:
    class: Drupal\arch_checkout\Services\CheckoutCompletePageAccess
    arguments:
      - '@module_handler'
      - '@current_user'