map -package:containers -package:charset -package:invertible -is:exact -is:exact -package:monoidal-containers -package:foldl -package:Cabal-syntax -package:filepath -package:base -package:imports package:aeson is:exact

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