docs: public void marshall(ReplicaSettingsUpdate replicaSettingsUpdate, ProtocolMarshaller protocolMarshaller) {
  
          if (replicaSettingsUpdate == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(replicaSettingsUpdate.getRegionName(), REGIONNAME_BINDING);
              protocolMarshaller.marshall(replicaSettingsUpdate.getReplicaProvisionedReadCapacityUnits(), REPLICAPROVISIONEDREADCAPACITYUNITS_BINDING);
              protocolMarshaller.marshall(replicaSettingsUpdate.getReplicaProvisionedReadCapacityAutoScalingSettingsUpdate(),
                      REPLICAPROVISIONEDREADCAPACITYAUTOSCALINGSETTINGSUPDATE_BINDING);
              protocolMarshaller
                      .marshall(replicaSettingsUpdate.getReplicaGlobalSecondaryIndexSettingsUpdate(), REPLICAGLOBALSECONDARYINDEXSETTINGSUPDATE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }