Is there an easy way to overwrite base directive?

I'm looking for the simple way to overwrite behaviour of directives provided out of box, for example ngIf

So I can make a child directive and extend the behaviour and after declare as a native one.

P.S.: I know that overwriting standard functionality is VERY BAD practice, but I'm doing it just for study/research purposes.

from Is there an easy way to overwrite base directive?