docs: public void marshall(ScalingPlan scalingPlan, ProtocolMarshaller protocolMarshaller) {
  
          if (scalingPlan == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(scalingPlan.getScalingPlanName(), SCALINGPLANNAME_BINDING);
              protocolMarshaller.marshall(scalingPlan.getScalingPlanVersion(), SCALINGPLANVERSION_BINDING);
              protocolMarshaller.marshall(scalingPlan.getApplicationSource(), APPLICATIONSOURCE_BINDING);
              protocolMarshaller.marshall(scalingPlan.getScalingInstructions(), SCALINGINSTRUCTIONS_BINDING);
              protocolMarshaller.marshall(scalingPlan.getStatusCode(), STATUSCODE_BINDING);
              protocolMarshaller.marshall(scalingPlan.getStatusMessage(), STATUSMESSAGE_BINDING);
              protocolMarshaller.marshall(scalingPlan.getStatusStartTime(), STATUSSTARTTIME_BINDING);
              protocolMarshaller.marshall(scalingPlan.getCreationTime(), CREATIONTIME_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }