test_helpers-1.0.0-alpha6/tests/modules/test_helpers_test/test_helpers_test.services.yml

services:
  # A helper service to test the function initService().
  Symfony\Component\Yaml\Parser:
    arguments: []

  # A helper service to test the services with factories.
  test_helpers_test.service_with_factory:
    class: Drupal\test_helpers_test\ServiceWithFactory
    arguments:
      - '@messenger'

  # A helper service to test the services with factories.
  test_helpers_test.service_with_factory.named:
    class: Drupal\test_helpers_test\ServiceWithFactory
    arguments:
      $messenger: '@messenger'