How to use the matrix-react-sdk/lib/RoomNotifs.ALL_MESSAGES_LOUD function in matrix-react-sdk

_shouldShowNotifBadge: function(roomNotifState) {
        const showBadgeInStates = [RoomNotifs.ALL_MESSAGES, RoomNotifs.ALL_MESSAGES_LOUD];
        return showBadgeInStates.indexOf(roomNotifState) > -1;
    },

_shouldShowNotifBadge: function(roomNotifState) {
        const showBadgeInStates = [RoomNotifs.ALL_MESSAGES, RoomNotifs.ALL_MESSAGES_LOUD];
        return showBadgeInStates.indexOf(roomNotifState) > -1;
    },

_onClickAlertMe: function() {
        this._save(RoomNotifs.ALL_MESSAGES_LOUD);
    },

render: function() {
        var alertMeClasses = classNames({
            'mx_NotificationStateContextMenu_field': true,
            'mx_NotificationStateContextMenu_fieldSet': this.state.roomNotifState == RoomNotifs.ALL_MESSAGES_LOUD,
        });

        var allNotifsClasses = classNames({
            'mx_NotificationStateContextMenu_field': true,
            'mx_NotificationStateContextMenu_fieldSet': this.state.roomNotifState == RoomNotifs.ALL_MESSAGES,
        });

        var mentionsClasses = classNames({
            'mx_NotificationStateContextMenu_field': true,
            'mx_NotificationStateContextMenu_fieldSet': this.state.roomNotifState == RoomNotifs.MENTIONS_ONLY,
        });

        var muteNotifsClasses = classNames({
            'mx_NotificationStateContextMenu_field': true,
            'mx_NotificationStateContextMenu_fieldSet': this.state.roomNotifState == RoomNotifs.MUTE,
        });