docs: public void marshall(ActivityTypeConfiguration activityTypeConfiguration, ProtocolMarshaller protocolMarshaller) {
  
          if (activityTypeConfiguration == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(activityTypeConfiguration.getDefaultTaskStartToCloseTimeout(), DEFAULTTASKSTARTTOCLOSETIMEOUT_BINDING);
              protocolMarshaller.marshall(activityTypeConfiguration.getDefaultTaskHeartbeatTimeout(), DEFAULTTASKHEARTBEATTIMEOUT_BINDING);
              protocolMarshaller.marshall(activityTypeConfiguration.getDefaultTaskList(), DEFAULTTASKLIST_BINDING);
              protocolMarshaller.marshall(activityTypeConfiguration.getDefaultTaskPriority(), DEFAULTTASKPRIORITY_BINDING);
              protocolMarshaller.marshall(activityTypeConfiguration.getDefaultTaskScheduleToStartTimeout(), DEFAULTTASKSCHEDULETOSTARTTIMEOUT_BINDING);
              protocolMarshaller.marshall(activityTypeConfiguration.getDefaultTaskScheduleToCloseTimeout(), DEFAULTTASKSCHEDULETOCLOSETIMEOUT_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }