@Override
  public AuthFlowConfiguration generateConfiguration(String callbackBaseUrl, String id) {
    return new AuthFlowConfiguration(callbackBaseUrl + "/callback/offline-demo?code=123", AUTH_PROTOCOL, getTokenUrl());
  }
Generates authentication data for the offline data demo importer.

<p>Since the demo does not authenticate against a live service, the OAuth url is set set directly
to the callback address.
extensions/auth/portability-auth-offline-demo/src/main/java/org/datatransferproject/auth/offline/OfflineDemoAuthDataGenerator.java