docs: public void marshall(HIT hIT, ProtocolMarshaller protocolMarshaller) {
  
          if (hIT == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(hIT.getHITId(), HITID_BINDING);
              protocolMarshaller.marshall(hIT.getHITTypeId(), HITTYPEID_BINDING);
              protocolMarshaller.marshall(hIT.getHITGroupId(), HITGROUPID_BINDING);
              protocolMarshaller.marshall(hIT.getHITLayoutId(), HITLAYOUTID_BINDING);
              protocolMarshaller.marshall(hIT.getCreationTime(), CREATIONTIME_BINDING);
              protocolMarshaller.marshall(hIT.getTitle(), TITLE_BINDING);
              protocolMarshaller.marshall(hIT.getDescription(), DESCRIPTION_BINDING);
              protocolMarshaller.marshall(hIT.getQuestion(), QUESTION_BINDING);
              protocolMarshaller.marshall(hIT.getKeywords(), KEYWORDS_BINDING);
              protocolMarshaller.marshall(hIT.getHITStatus(), HITSTATUS_BINDING);
              protocolMarshaller.marshall(hIT.getMaxAssignments(), MAXASSIGNMENTS_BINDING);
              protocolMarshaller.marshall(hIT.getReward(), REWARD_BINDING);
              protocolMarshaller.marshall(hIT.getAutoApprovalDelayInSeconds(), AUTOAPPROVALDELAYINSECONDS_BINDING);
              protocolMarshaller.marshall(hIT.getExpiration(), EXPIRATION_BINDING);
              protocolMarshaller.marshall(hIT.getAssignmentDurationInSeconds(), ASSIGNMENTDURATIONINSECONDS_BINDING);
              protocolMarshaller.marshall(hIT.getRequesterAnnotation(), REQUESTERANNOTATION_BINDING);
              protocolMarshaller.marshall(hIT.getQualificationRequirements(), QUALIFICATIONREQUIREMENTS_BINDING);
              protocolMarshaller.marshall(hIT.getHITReviewStatus(), HITREVIEWSTATUS_BINDING);
              protocolMarshaller.marshall(hIT.getNumberOfAssignmentsPending(), NUMBEROFASSIGNMENTSPENDING_BINDING);
              protocolMarshaller.marshall(hIT.getNumberOfAssignmentsAvailable(), NUMBEROFASSIGNMENTSAVAILABLE_BINDING);
              protocolMarshaller.marshall(hIT.getNumberOfAssignmentsCompleted(), NUMBEROFASSIGNMENTSCOMPLETED_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }