docs: public void marshall(SamplingRuleUpdate samplingRuleUpdate, ProtocolMarshaller protocolMarshaller) {
  
          if (samplingRuleUpdate == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(samplingRuleUpdate.getRuleName(), RULENAME_BINDING);
              protocolMarshaller.marshall(samplingRuleUpdate.getRuleARN(), RULEARN_BINDING);
              protocolMarshaller.marshall(samplingRuleUpdate.getResourceARN(), RESOURCEARN_BINDING);
              protocolMarshaller.marshall(samplingRuleUpdate.getPriority(), PRIORITY_BINDING);
              protocolMarshaller.marshall(samplingRuleUpdate.getFixedRate(), FIXEDRATE_BINDING);
              protocolMarshaller.marshall(samplingRuleUpdate.getReservoirSize(), RESERVOIRSIZE_BINDING);
              protocolMarshaller.marshall(samplingRuleUpdate.getHost(), HOST_BINDING);
              protocolMarshaller.marshall(samplingRuleUpdate.getServiceName(), SERVICENAME_BINDING);
              protocolMarshaller.marshall(samplingRuleUpdate.getServiceType(), SERVICETYPE_BINDING);
              protocolMarshaller.marshall(samplingRuleUpdate.getHTTPMethod(), HTTPMETHOD_BINDING);
              protocolMarshaller.marshall(samplingRuleUpdate.getURLPath(), URLPATH_BINDING);
              protocolMarshaller.marshall(samplingRuleUpdate.getAttributes(), ATTRIBUTES_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }