module Responder = Async_rpc_kernel__.Implementation.Expert.Responder
module Rpc_responder : sig ... end
val create_exn : implementations:'connection_state Async_rpc_kernel__.Implementation.t list ‑> on_unknown_rpc:[ `Raise | `Continue | `Close_connection | `Call of 'connection_state ‑> rpc_tag:string ‑> version:int ‑> [ `Close_connection | `Continue ] | `Expert of 'connection_state ‑> rpc_tag:string ‑> version:int ‑> Responder.t ‑> Core_kernel.Bigstring.t ‑> pos:int ‑> len:int ‑> unit Async_kernel.Deferred.t ] ‑> 'connection_state t