Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/modules/update/update.services.yml

@@ -0,0 +1,15 @@
+services:
+  access_check.update.manager_access:
+    class: Drupal\update\Access\UpdateManagerAccessCheck
+    arguments: ['@settings']
+    tags:
+      - { name: access_check, applies_to: _access_update_manager }
+  update.manager:
+    class: Drupal\update\UpdateManager
+    arguments: ['@config.factory', '@module_handler', '@update.processor', '@string_translation', '@keyvalue.expirable', '@theme_handler']
+  update.processor:
+    class: Drupal\update\UpdateProcessor
+    arguments: ['@config.factory', '@queue', '@update.fetcher', '@state', '@private_key', '@keyvalue', '@keyvalue.expirable']
+  update.fetcher:
+    class: Drupal\update\UpdateFetcher
+    arguments: ['@config.factory', '@http_client']