//                                       Column Property
    //                                       ---------------
    protected final Map<String, PropertyGateway> _epgMap = newHashMap();
    {
        setupEpg(_epgMap, et -> ((Role) et).getName(), (et, vl) -> ((Role) et).setName(DfTypeUtil.toString(vl)), "name");
    }

    @Override
    public PropertyGateway findPropertyGateway(final String prop) {