code: public void marshall(UserImportJobType userImportJobType, ProtocolMarshaller protocolMarshaller) {
  
          if (userImportJobType == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(userImportJobType.getJobName(), JOBNAME_BINDING);
              protocolMarshaller.marshall(userImportJobType.getJobId(), JOBID_BINDING);
              protocolMarshaller.marshall(userImportJobType.getUserPoolId(), USERPOOLID_BINDING);
              protocolMarshaller.marshall(userImportJobType.getPreSignedUrl(), PRESIGNEDURL_BINDING);
              protocolMarshaller.marshall(userImportJobType.getCreationDate(), CREATIONDATE_BINDING);
              protocolMarshaller.marshall(userImportJobType.getStartDate(), STARTDATE_BINDING);
              protocolMarshaller.marshall(userImportJobType.getCompletionDate(), COMPLETIONDATE_BINDING);
              protocolMarshaller.marshall(userImportJobType.getStatus(), STATUS_BINDING);
              protocolMarshaller.marshall(userImportJobType.getCloudWatchLogsRoleArn(), CLOUDWATCHLOGSROLEARN_BINDING);
              protocolMarshaller.marshall(userImportJobType.getImportedUsers(), IMPORTEDUSERS_BINDING);
              protocolMarshaller.marshall(userImportJobType.getSkippedUsers(), SKIPPEDUSERS_BINDING);
              protocolMarshaller.marshall(userImportJobType.getFailedUsers(), FAILEDUSERS_BINDING);
              protocolMarshaller.marshall(userImportJobType.getCompletionMessage(), COMPLETIONMESSAGE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.