config_pages-8.x-2.8/config_pages.services.yml

services:
  plugin.manager.config_pages_context:
    class: Drupal\config_pages\ConfigPagesContextManager
    arguments: ['@container.namespaces', '@cache.default', '@module_handler']

  config_pages.loader:
    class: Drupal\config_pages\ConfigPagesLoaderService
    arguments: []

  config_pages.twig_extension:
    class: Drupal\config_pages\Twig\ConfigPagesExtension
    arguments: ['@module_handler', '@theme.manager']
    tags:
      - { name: twig.extension }