RPC_server.Mediaval default_media_type : Media_type.t list -> string * Media_type.tval input_media_type :
?headers:Cohttp.Header.t ->
medias ->
(Media_type.t, [> `Unsupported_media_type of string ]) Stdlib.resultval output_content_media_type :
?headers:Cohttp.Header.t ->
medias ->
(string * Media_type.t, [> `Not_acceptable ]) Stdlib.Result.t