docs: public void marshall(Route route, ProtocolMarshaller protocolMarshaller) {
  
          if (route == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(route.getApiKeyRequired(), APIKEYREQUIRED_BINDING);
              protocolMarshaller.marshall(route.getAuthorizationScopes(), AUTHORIZATIONSCOPES_BINDING);
              protocolMarshaller.marshall(route.getAuthorizationType(), AUTHORIZATIONTYPE_BINDING);
              protocolMarshaller.marshall(route.getAuthorizerId(), AUTHORIZERID_BINDING);
              protocolMarshaller.marshall(route.getModelSelectionExpression(), MODELSELECTIONEXPRESSION_BINDING);
              protocolMarshaller.marshall(route.getOperationName(), OPERATIONNAME_BINDING);
              protocolMarshaller.marshall(route.getRequestModels(), REQUESTMODELS_BINDING);
              protocolMarshaller.marshall(route.getRequestParameters(), REQUESTPARAMETERS_BINDING);
              protocolMarshaller.marshall(route.getRouteId(), ROUTEID_BINDING);
              protocolMarshaller.marshall(route.getRouteKey(), ROUTEKEY_BINDING);
              protocolMarshaller.marshall(route.getRouteResponseSelectionExpression(), ROUTERESPONSESELECTIONEXPRESSION_BINDING);
              protocolMarshaller.marshall(route.getTarget(), TARGET_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }