commercetools-8.x-1.2-alpha1/modules/commercetools_demo/commercetools_demo.routing.yml

commercetools_demo.settings:
  path: '/admin/config/system/commercetools/demo'
  defaults:
    _title: 'commercetools Demo Settings'
    _form: 'Drupal\commercetools_demo\Form\CommercetoolsDemoForm'
  requirements:
    _permission: 'administer modules'
  options:
    _admin_route: TRUE