map -package:containers -package:ghc -package:case-insensitive -package:bytestring -is:exact -package:charset -package:invertible -is:exact -is:exact -package:Cabal-syntax -package:os-string -package:conduit package:aeson is:exact

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