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