//                                       Column Property
    //                                       ---------------
    protected final Map<String, PropertyGateway> _epgMap = newHashMap();
    {
        setupEpg(_epgMap, et -> ((ClickLog) et).getUrlId(), (et, vl) -> ((ClickLog) et).setUrlId(DfTypeUtil.toString(vl)), "urlId");

    //                                       Column Property
    //                                       ---------------
    protected final Map<String, PropertyGateway> _epgMap = newHashMap();
    {
        setupEpg(_epgMap, et -> ((LabelType) et).getCreatedBy(), (et, vl) -> ((LabelType) et).setCreatedBy(DfTypeUtil.toString(vl)),
                "createdBy");

    //                                       Column Property
    //                                       ---------------
    protected final Map<String, PropertyGateway> _epgMap = newHashMap();
    {
        setupEpg(_epgMap, et -> ((WebAuthentication) et).getAuthRealm(),
                (et, vl) -> ((WebAuthentication) et).setAuthRealm(DfTypeUtil.toString(vl)), "authRealm");

    //                                       Column Property
    //                                       ---------------
    protected final Map<String, PropertyGateway> _epgMap = newHashMap();
    {
        setupEpg(_epgMap, et -> ((DataConfig) et).getAvailable(), (et, vl) -> ((DataConfig) et).setAvailable(DfTypeUtil.toBoolean(vl)),
                "available");

    //                                       Column Property
    //                                       ---------------
    protected final Map<String, PropertyGateway> _epgMap = newHashMap();
    {
        setupEpg(_epgMap, et -> ((FavoriteLog) et).getCreatedAt(),
                (et, vl) -> ((FavoriteLog) et).setCreatedAt(DfTypeUtil.toLocalDateTime(vl)), "createdAt");

    //                                       Column Property
    //                                       ---------------
    protected final Map<String, PropertyGateway> _epgMap = newHashMap();
    {
        setupEpg(_epgMap, et -> ((ThumbnailQueue) et).getCreatedBy(),
                (et, vl) -> ((ThumbnailQueue) et).setCreatedBy(DfTypeUtil.toString(vl)), "createdBy");

    //                                       Column Property
    //                                       ---------------
    protected final Map<String, PropertyGateway> _epgMap = newHashMap();
    {
        setupEpg(_epgMap, et -> ((BadWord) et).getCreatedBy(), (et, vl) -> ((BadWord) et).setCreatedBy(DfTypeUtil.toString(vl)),
                "createdBy");

    //                                       Column Property
    //                                       ---------------
    protected final Map<String, PropertyGateway> _epgMap = newHashMap();
    {
        setupEpg(_epgMap, et -> ((BoostDocumentRule) et).getBoostExpr(),
                (et, vl) -> ((BoostDocumentRule) et).setBoostExpr(DfTypeUtil.toString(vl)), "boostExpr");

    //                                       Column Property
    //                                       ---------------
    protected final Map<String, PropertyGateway> _epgMap = newHashMap();
    {
        setupEpg(_epgMap, et -> ((ScheduledJob) et).getAvailable(), (et, vl) -> ((ScheduledJob) et).setAvailable(DfTypeUtil.toBoolean(vl)),
                "available");

     * @param <V> the value type of {@link HashMap}
     * @return a new instance of {@link HashMap}
     * @see HashMap#HashMap()
     */
    public static <K, V> HashMap<K, V> newHashMap() {
        return new HashMap<>();
    }

    /**
     * Creates and returns a new instance of {@link HashMap}.
     *
     * @param <K> the key type of {@link HashMap}