code: public void marshall(UpdateQualificationTypeRequest updateQualificationTypeRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (updateQualificationTypeRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(updateQualificationTypeRequest.getQualificationTypeId(), QUALIFICATIONTYPEID_BINDING);
              protocolMarshaller.marshall(updateQualificationTypeRequest.getDescription(), DESCRIPTION_BINDING);
              protocolMarshaller.marshall(updateQualificationTypeRequest.getQualificationTypeStatus(), QUALIFICATIONTYPESTATUS_BINDING);
              protocolMarshaller.marshall(updateQualificationTypeRequest.getTest(), TEST_BINDING);
              protocolMarshaller.marshall(updateQualificationTypeRequest.getAnswerKey(), ANSWERKEY_BINDING);
              protocolMarshaller.marshall(updateQualificationTypeRequest.getTestDurationInSeconds(), TESTDURATIONINSECONDS_BINDING);
              protocolMarshaller.marshall(updateQualificationTypeRequest.getRetryDelayInSeconds(), RETRYDELAYINSECONDS_BINDING);
              protocolMarshaller.marshall(updateQualificationTypeRequest.getAutoGranted(), AUTOGRANTED_BINDING);
              protocolMarshaller.marshall(updateQualificationTypeRequest.getAutoGrantedValue(), AUTOGRANTEDVALUE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.