Does a Enum Lens like:

Query.enum<EnumType>().required("type")

is supposed to be translated as en enum type in OpenAPI3 specification ? Because it does not.

Unfortunately not. It's just being translated as a string because we only perform reflection on the items which have concrete examples (ie. Bodies)

Ok thanks. couldn't be done without reflexion just using Enum.values() ?

it could be if we had access to it at the correct time. but we don't