map -package:containers -package:base-prelude -package:conduit -package:charset -package:Cabal-syntax -package:blaze-html -package:hedgehog -package:invertible -package:base-compat-batteries -package:os-string -package:monoidal-containers -package:bytestring package:case-insensitive
Transform the original string-like value but keep it case insensitive.