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