class WFSDataClearer {

    public void removeFeatures(TimeSpan span) throws DataElementLookupException
    {
        List<Long> idsWithinTime = idsWithinTime(span);
        removeIds(idsWithinTime);
    }

    public  WFSDataClearer(MantleToolbox mantleToolbox, DataTypeInfo layer, QueryRegion queryArea);

}