map is:exact -package:lens -package:charset -package:basement -package:bytestring -package:conduit -package:hedgehog -package:os-string -package:invertible -package:Cabal-syntax -package:insert-ordered-containers package:aeson

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