docs: public void marshall(DescribeMLModelsRequest describeMLModelsRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (describeMLModelsRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(describeMLModelsRequest.getFilterVariable(), FILTERVARIABLE_BINDING);
              protocolMarshaller.marshall(describeMLModelsRequest.getEQ(), EQ_BINDING);
              protocolMarshaller.marshall(describeMLModelsRequest.getGT(), GT_BINDING);
              protocolMarshaller.marshall(describeMLModelsRequest.getLT(), LT_BINDING);
              protocolMarshaller.marshall(describeMLModelsRequest.getGE(), GE_BINDING);
              protocolMarshaller.marshall(describeMLModelsRequest.getLE(), LE_BINDING);
              protocolMarshaller.marshall(describeMLModelsRequest.getNE(), NE_BINDING);
              protocolMarshaller.marshall(describeMLModelsRequest.getPrefix(), PREFIX_BINDING);
              protocolMarshaller.marshall(describeMLModelsRequest.getSortOrder(), SORTORDER_BINDING);
              protocolMarshaller.marshall(describeMLModelsRequest.getNextToken(), NEXTTOKEN_BINDING);
              protocolMarshaller.marshall(describeMLModelsRequest.getLimit(), LIMIT_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }