Httpcats.Clienttype error = [ | `V1 of H1.Client_connection.error| `V2 of H2.Client_connection.error| `Protocol of string| `Exn of exn ]exception Error of errortype 'acc process = | Process : {version : ('conn, 'resp, 'body) version;acc : 'acc ref;response : 'resp Miou.Computation.t;body : 'body;conn : 'conn;process : unit Miou.t;} -> 'acc process