map is:exact -package:bytestring -package:containers -package:basement -package:dlist -package:monoidal-containers -package:invertible -package:psqueues -package:charset -package:text -package:integration -package:amazonka-core -package:base-compat -package:base-compat-batteries -package:os-string -package:hedgehog -package:vector -package:vector-stream -package:ghc -package:conduit -package:unordered-containers package:case-insensitive
Transform the original string-like value but keep it case insensitive.