map -package:containers -package:Cabal-syntax -is:exact -package:base-compat-batteries -is:exact -package:charset -is:exact -package:case-insensitive -package:insert-ordered-containers package:aeson -is:module is:exact

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