code: public void marshall(ScheduleActivityTaskDecisionAttributes scheduleActivityTaskDecisionAttributes, ProtocolMarshaller protocolMarshaller) {
  
          if (scheduleActivityTaskDecisionAttributes == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(scheduleActivityTaskDecisionAttributes.getActivityType(), ACTIVITYTYPE_BINDING);
              protocolMarshaller.marshall(scheduleActivityTaskDecisionAttributes.getActivityId(), ACTIVITYID_BINDING);
              protocolMarshaller.marshall(scheduleActivityTaskDecisionAttributes.getControl(), CONTROL_BINDING);
              protocolMarshaller.marshall(scheduleActivityTaskDecisionAttributes.getInput(), INPUT_BINDING);
              protocolMarshaller.marshall(scheduleActivityTaskDecisionAttributes.getScheduleToCloseTimeout(), SCHEDULETOCLOSETIMEOUT_BINDING);
              protocolMarshaller.marshall(scheduleActivityTaskDecisionAttributes.getTaskList(), TASKLIST_BINDING);
              protocolMarshaller.marshall(scheduleActivityTaskDecisionAttributes.getTaskPriority(), TASKPRIORITY_BINDING);
              protocolMarshaller.marshall(scheduleActivityTaskDecisionAttributes.getScheduleToStartTimeout(), SCHEDULETOSTARTTIMEOUT_BINDING);
              protocolMarshaller.marshall(scheduleActivityTaskDecisionAttributes.getStartToCloseTimeout(), STARTTOCLOSETIMEOUT_BINDING);
              protocolMarshaller.marshall(scheduleActivityTaskDecisionAttributes.getHeartbeatTimeout(), HEARTBEATTIMEOUT_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.