map is:exact -package:lens -package:dlist -package:bytestring -package:conduit -package:monoidal-containers -package:charset -package:case-insensitive -package:Cabal-syntax -package:hedgehog -package:basement -package:base package:aeson

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