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