map -package:containers -package:bytestring -package:charset -package:conduit -package:incipit-base -package:blaze-html -is:exact -package:base-prelude -package:dense-linear-algebra -package:base-compat-batteries -package:base-compat -package:os-string package:case-insensitive
Transform the original string-like value but keep it case insensitive.