docs: public void marshall(Assignment assignment, ProtocolMarshaller protocolMarshaller) {
  
          if (assignment == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(assignment.getAssignmentId(), ASSIGNMENTID_BINDING);
              protocolMarshaller.marshall(assignment.getWorkerId(), WORKERID_BINDING);
              protocolMarshaller.marshall(assignment.getHITId(), HITID_BINDING);
              protocolMarshaller.marshall(assignment.getAssignmentStatus(), ASSIGNMENTSTATUS_BINDING);
              protocolMarshaller.marshall(assignment.getAutoApprovalTime(), AUTOAPPROVALTIME_BINDING);
              protocolMarshaller.marshall(assignment.getAcceptTime(), ACCEPTTIME_BINDING);
              protocolMarshaller.marshall(assignment.getSubmitTime(), SUBMITTIME_BINDING);
              protocolMarshaller.marshall(assignment.getApprovalTime(), APPROVALTIME_BINDING);
              protocolMarshaller.marshall(assignment.getRejectionTime(), REJECTIONTIME_BINDING);
              protocolMarshaller.marshall(assignment.getDeadline(), DEADLINE_BINDING);
              protocolMarshaller.marshall(assignment.getAnswer(), ANSWER_BINDING);
              protocolMarshaller.marshall(assignment.getRequesterFeedback(), REQUESTERFEEDBACK_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }