map -package:containers -package:insert-ordered-containers -package:monoidal-containers -package:base-prelude -package:dlist -is:exact -package:os-string -package:hedgehog -package:basement -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.