What are all the typechecking flags?

I can’t find documentation on what all of the flags are and I only know of a few that are documented,

--!strict
--!nonstrict
--!nocheck
--!native

BUT i found one more named --!optimize 2 which confused me because its not documented

what are ALL of the typechecking flags?

That doesn’t include flags like --!native or --!optimize

--!native here
&
--!optimize here