docs: public void marshall(ScalableTarget scalableTarget, ProtocolMarshaller protocolMarshaller) {
  
          if (scalableTarget == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(scalableTarget.getServiceNamespace(), SERVICENAMESPACE_BINDING);
              protocolMarshaller.marshall(scalableTarget.getResourceId(), RESOURCEID_BINDING);
              protocolMarshaller.marshall(scalableTarget.getScalableDimension(), SCALABLEDIMENSION_BINDING);
              protocolMarshaller.marshall(scalableTarget.getMinCapacity(), MINCAPACITY_BINDING);
              protocolMarshaller.marshall(scalableTarget.getMaxCapacity(), MAXCAPACITY_BINDING);
              protocolMarshaller.marshall(scalableTarget.getRoleARN(), ROLEARN_BINDING);
              protocolMarshaller.marshall(scalableTarget.getCreationTime(), CREATIONTIME_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }