custom_action_links-1.0.x-dev/tests/modules/custom_access_links_csrf_tester/custom_action_links_csrf_tester.services.yml

services:
  custom_action_links_csrf_test.csrf_token_generator:
    decorates: session_manager.metadata_bag
    class: Drupal\custom_action_links_csrf_tester\MetadataBag
    public: false
    arguments: ['@settings', '@state']