xero_sync-8.x-1.x-dev/modules/xero_sync_user_contact/xero_sync_user_contact.services.yml

services:
  xero_sync_user_contact.sync_to_contact_subscriber:
    class: Drupal\xero_sync_user_contact\EventSubscriber\SyncToContactSubscriber
    tags:
    - { name: event_subscriber }
  xero_sync_user_contact.sync_to_user_subscriber:
    class: Drupal\xero_sync_user_contact\EventSubscriber\SyncToUserSubscriber
    arguments: ['@xero_sync.entity_handler']
    tags:
      - { name: event_subscriber }
  xero_sync_user_contact.unsync_contact:
    class: Drupal\xero_sync_user_contact\EventSubscriber\UnsyncContactSubscriber
    tags:
      - { name: event_subscriber }