code: public void marshall(ListQualificationTypesRequest listQualificationTypesRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (listQualificationTypesRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(listQualificationTypesRequest.getQuery(), QUERY_BINDING);
              protocolMarshaller.marshall(listQualificationTypesRequest.getMustBeRequestable(), MUSTBEREQUESTABLE_BINDING);
              protocolMarshaller.marshall(listQualificationTypesRequest.getMustBeOwnedByCaller(), MUSTBEOWNEDBYCALLER_BINDING);
              protocolMarshaller.marshall(listQualificationTypesRequest.getNextToken(), NEXTTOKEN_BINDING);
              protocolMarshaller.marshall(listQualificationTypesRequest.getMaxResults(), MAXRESULTS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.