map -package:containers -package:case-insensitive -package:dlist -is:exact -package:base-compat -package:insert-ordered-containers -package:base-prelude -package:ghc package:aeson -is:module -is:exact -is:exact is:exact

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