code: public void marshall(Edge edge, ProtocolMarshaller protocolMarshaller) {
  
          if (edge == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(edge.getReferenceId(), REFERENCEID_BINDING);
              protocolMarshaller.marshall(edge.getStartTime(), STARTTIME_BINDING);
              protocolMarshaller.marshall(edge.getEndTime(), ENDTIME_BINDING);
              protocolMarshaller.marshall(edge.getSummaryStatistics(), SUMMARYSTATISTICS_BINDING);
              protocolMarshaller.marshall(edge.getResponseTimeHistogram(), RESPONSETIMEHISTOGRAM_BINDING);
              protocolMarshaller.marshall(edge.getAliases(), ALIASES_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.