prepopulate-8.x-2.3/prepopulate.services.yml

services:
  prepopulate.populator:
    class: Drupal\prepopulate\Populate
    arguments: ['@request_stack', '@entity_type.manager', '@module_handler']
    required_cache_contexts: ['languages:language_interface', 'theme', 'user.permissions', 'url.query_args']