media.services.yml

services:
  plugin.manager.media.source:
    class: Drupal\media\MediaSourceManager
    parent: default_plugin_manager

  access_check.media.revision:
    class: Drupal\media\Access\MediaRevisionAccessCheck
    arguments: ['@entity_type.manager']
    tags:
      - { name: access_check, applies_to: _access_media_revision }