module Error_content:
   Ocsigen_http_frame.HTTP_CONTENT  
   with type t = int option * exn option * Ocsigen_http_frame.cookieset

type t

type options

val result_of_content :
   ?options:options ->
    t -> Ocsigen_http_frame.result Lwt.t

val get_etag : t -> Ocsigen_http_frame.etag option