map is:exact -package:lens -package:amazonka-core -package:basement -package:bytestring -package:invertible -package:containers -package:base-compat -package:Cabal-syntax -package:dlist -package:imports package:aeson

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