map -package:containers -package:base -package:insert-ordered-containers -package:incipit-base -package:Cabal-syntax -package:dlist -package:blaze-html -package:amazonka-core -package:conduit -package:case-insensitive package:aeson is:exact

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