map -package:containers -package:bytestring -package:blaze-html -package:insert-ordered-containers -package:Cabal-syntax -package:base-compat -package:monoidal-containers -package:base-prelude -package:aeson -package:base-compat-batteries -package:dlist package:case-insensitive -is:exact
Transform the original string-like value but keep it case insensitive.