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

services:
  plugin.manager.recipient_type:
    class: Drupal\workbench_email\RecipientTypePluginManager
    parent: default_plugin_manager
  workbench_email.subscriber.workbench_transition:
    class: Drupal\workbench_email\EventSubscriber\WorkbenchTransitionEventSubscriber
    arguments: ['@entity_type.manager', '@current_user', '@queue']
    tags:
      - { name: event_subscriber }
  workbench_email.processor:
    class: Drupal\workbench_email\WorkbenchEmailProcessor
    arguments: ['@queue', '@plugin.manager.queue_worker', '@logger.factory']