service user.private_tempstore in Drupal 8

class: Drupal\user\PrivateTempStoreFactory
arguments:
  - '@keyvalue.expirable'
  - '@lock'
  - '@current_user'
  - '@request_stack'
  - '%tempstore.expire%'
deprecated: 'The "%service_id%" service is deprecated. You should use the ''tempstore.private'' service instead. See https://www.drupal.org/node/2935639.'
tags:
  - { name: backend_overridable }