@Override
 public void primeConfigurationBuilder(final IsisConfigurationBuilder isisConfigurationBuilder) {
   if (startupMode != null) {
     isisConfigurationBuilder.add(
         WebServerConstants.EMBEDDED_WEB_SERVER_STARTUP_MODE_KEY, startupMode.name());
   }
 }
 @Override
 public void primeConfigurationBuilder(final IsisConfigurationBuilder isisConfigurationBuilder) {
   isisConfigurationBuilder.add(SystemConstants.USER_KEY, userName);
 }