code: public void marshall(StartWorkflowExecutionRequest startWorkflowExecutionRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (startWorkflowExecutionRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(startWorkflowExecutionRequest.getDomain(), DOMAIN_BINDING);
              protocolMarshaller.marshall(startWorkflowExecutionRequest.getWorkflowId(), WORKFLOWID_BINDING);
              protocolMarshaller.marshall(startWorkflowExecutionRequest.getWorkflowType(), WORKFLOWTYPE_BINDING);
              protocolMarshaller.marshall(startWorkflowExecutionRequest.getTaskList(), TASKLIST_BINDING);
              protocolMarshaller.marshall(startWorkflowExecutionRequest.getTaskPriority(), TASKPRIORITY_BINDING);
              protocolMarshaller.marshall(startWorkflowExecutionRequest.getInput(), INPUT_BINDING);
              protocolMarshaller.marshall(startWorkflowExecutionRequest.getExecutionStartToCloseTimeout(), EXECUTIONSTARTTOCLOSETIMEOUT_BINDING);
              protocolMarshaller.marshall(startWorkflowExecutionRequest.getTagList(), TAGLIST_BINDING);
              protocolMarshaller.marshall(startWorkflowExecutionRequest.getTaskStartToCloseTimeout(), TASKSTARTTOCLOSETIMEOUT_BINDING);
              protocolMarshaller.marshall(startWorkflowExecutionRequest.getChildPolicy(), CHILDPOLICY_BINDING);
              protocolMarshaller.marshall(startWorkflowExecutionRequest.getLambdaRole(), LAMBDAROLE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.