tmgmt-8.x-1.x-dev/sources/content/tmgmt_content.services.yml

services:
  tmgmt_content.subscriber:
    class: Drupal\tmgmt_content\Routing\TmgmtContentRouteSubscriber
    arguments: ['@content_translation.manager']
    tags:
      - { name: event_subscriber }
  tmgmt_content.key_access:
    class: Drupal\tmgmt_content\Access\KeyAccessCheck
    tags:
      - { name: access_check, applies_to: _key_access_check}