<GMLFeatureClassList>
  <GMLFeatureClass>
    <Name>unique_values</Name>
    <ElementPath>unique_values</ElementPath>
    <GeometryType>100</GeometryType>
    <DatasetSpecificInfo>
      <FeatureCount>3</FeatureCount>
    </DatasetSpecificInfo>
    <PropertyDefn>
      <Name>id2</Name>
      <ElementPath>id2</ElementPath>
      <Type>Integer</Type>
    </PropertyDefn>
  </GMLFeatureClass>
</GMLFeatureClassList>