map -package:containers -package:ghc -package:base-compat-batteries -package:incipit-base -package:invertible -package:filepath -package:Cabal-syntax -package:base-compat -package:bytestring -package:os-string -package:pipes -package:dense-linear-algebra -package:integration package:case-insensitive -is:exact

map :: FoldCase s2 => (s1 -> s2) -> CI s1 -> CI s2
case-insensitive Data.CaseInsensitive
Transform the original string-like value but keep it case insensitive.