@Override
  public void processMappingsToRowValues(RowValues values, boolean excludeReadonlyData) {
    super.processMappingsToRowValues(values, excludeReadonlyData);

    MappingHelpers.convertToValues(this, values, MAPPINGS);
  }
  @Override
  public void processMappingsToRowValues(RowValues values, boolean excludeReadonlyData) {
    // TODO: throw if Association doesn't have NKW and Campaign as entity types

    MappingHelpers.convertToValues(this, values, MAPPINGS);
  }