doColumn("postalCode");
        }

        public void columnPreferredLanguage() {
            doColumn("preferredLanguage");
        }

        public void columnRegisteredAddress() {
            doColumn("registeredAddress");
        }

        public void columnRoles() {
            doColumn("roles");
        }

        public void columnRoomNumber() {

        return _columnPostalCode;
    }

    public ColumnInfo columnPreferredLanguage() {
        return _columnPreferredLanguage;
    }

    public ColumnInfo columnRegisteredAddress() {
        return _columnRegisteredAddress;
    }

    public ColumnInfo columnRoles() {
        return _columnRoles;
    }

    public ColumnInfo columnRoomNumber() {