"Joseph McDonald" <joe / vpop.net> wrote in message
news:NEBBLGCJOMNNCGJHPGMMAEAJEEAA.joe / vpop.net...
> > I couldn't even find nice method name for those two, so I didn't
> > follow up that post. maybe native english speakers can came up with
> > nice name.
>
> deepfreeze ?  unalterable ? foreverfreeze ? eternalfreeze ?

permafrost =)

Ken