oauth2_server-2.0.x-dev/tests/modules/oauth2_server_test/oauth2_server_test.routing.yml

oauth2_server_test.resource:
  path: '/oauth2_test/resource/{oauth2_server_scope}'
  defaults:
    _controller: 'Drupal\oauth2_server_test\Controller\ResourceController::test'
  requirements:
    _permission: 'use oauth2 server'