jsonapi_extras-8.x-3.16/jsonapi_extras.routing.yml

jsonapi_extras.settings:
  path: '/admin/config/services/jsonapi/extras'
  defaults:
    _form: '\Drupal\jsonapi_extras\Form\JsonapiExtrasSettingsForm'
    _title: 'JSON:API Extras'
  requirements:
    _permission: 'administer site configuration'