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

services:
  message_digest.manager:
    class: Drupal\message_digest\DigestManager
    arguments: ['@database', '@plugin.message_notify.notifier.manager', '@entity_type.manager', '@module_handler', '@message_digest.formatter', '@plugin.manager.mail', '@queue']
  message_digest.formatter:
    class: Drupal\message_digest\DigestFormatter
    arguments: ['@entity_type.manager', '@renderer']