map is:exact -package:lens -package:bytestring -package:containers -package:ghc -package:conduit -package:filepath -package:basement -package:case-insensitive -package:os-string -package:monoidal-containers package:aeson

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