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

services:
  test_helpers_example.articles_manager:
    class: Drupal\test_helpers_example\ArticlesManagerService
    arguments:
      - '@entity_type.manager'
  test_helpers_example.config_events_subscriber:
    class: Drupal\test_helpers_example\EventSubscriber\ConfigEventsSubscriber
    arguments:
      - '@messenger'
    tags:
      - { name: 'event_subscriber' }

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