docs: public void marshall(UpdateMaintenanceStartTimeRequest updateMaintenanceStartTimeRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (updateMaintenanceStartTimeRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(updateMaintenanceStartTimeRequest.getGatewayARN(), GATEWAYARN_BINDING);
              protocolMarshaller.marshall(updateMaintenanceStartTimeRequest.getHourOfDay(), HOUROFDAY_BINDING);
              protocolMarshaller.marshall(updateMaintenanceStartTimeRequest.getMinuteOfHour(), MINUTEOFHOUR_BINDING);
              protocolMarshaller.marshall(updateMaintenanceStartTimeRequest.getDayOfWeek(), DAYOFWEEK_BINDING);
              protocolMarshaller.marshall(updateMaintenanceStartTimeRequest.getDayOfMonth(), DAYOFMONTH_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }