map -package:containers -package:base-compat -package:Cabal-syntax -package:basement -package:psqueues -package:bytestring -package:invertible -is:exact -package:dense-linear-algebra -package:monoidal-containers package:aeson is:exact

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