map -package:containers -package:imports -package:base-compat -package:dlist -package:basement -package:conduit -package:base-compat-batteries -package:charset -is:exact -package:case-insensitive -package:os-string package:aeson is:exact

map :: (a -> b) -> KeyMap a -> KeyMap b
aeson Data.Aeson.KeyMap
Map a function over all values in the map.