Mine

final class _ extends Enum
{

    public static final _ FIRST;
    public static final _ SECOND;
    public static final _ LAST;
    public static final _ ERROR;
    private static final _ $VALUES[];

    public static _[] values()
    {
        return (_[])$VALUES.clone();
    }

    public static _ valueOf(String s)
    {
        return (_)Enum.valueOf(_, s);
    }

    private _(String s, int i)
    {
        super(s, i);
    }

    static 
    {
        FIRST = new _("FIRST", 0);
        SECOND = new _("SECOND", 1);
        LAST = new _("LAST", 2);
        ERROR = new _("ERROR", 3);
        $VALUES = (new _[] {
            FIRST, SECOND, LAST, ERROR
        });
    }
}