code: public void marshall(RelationalDatabaseSnapshot relationalDatabaseSnapshot, ProtocolMarshaller protocolMarshaller) {
  
          if (relationalDatabaseSnapshot == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getName(), NAME_BINDING);
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getArn(), ARN_BINDING);
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getSupportCode(), SUPPORTCODE_BINDING);
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getCreatedAt(), CREATEDAT_BINDING);
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getLocation(), LOCATION_BINDING);
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getResourceType(), RESOURCETYPE_BINDING);
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getTags(), TAGS_BINDING);
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getEngine(), ENGINE_BINDING);
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getEngineVersion(), ENGINEVERSION_BINDING);
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getSizeInGb(), SIZEINGB_BINDING);
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getState(), STATE_BINDING);
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getFromRelationalDatabaseName(), FROMRELATIONALDATABASENAME_BINDING);
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getFromRelationalDatabaseArn(), FROMRELATIONALDATABASEARN_BINDING);
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getFromRelationalDatabaseBundleId(), FROMRELATIONALDATABASEBUNDLEID_BINDING);
              protocolMarshaller.marshall(relationalDatabaseSnapshot.getFromRelationalDatabaseBlueprintId(), FROMRELATIONALDATABASEBLUEPRINTID_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.