sig
type query
type response
val dispatch_multi :
version:int ->
Rpc.Connection.t ->
Versioned_rpc.Caller_converts.Rpc.S.query ->
Versioned_rpc.Caller_converts.Rpc.S.response Core.Std.Or_error.t
Import.Deferred.t
val versions : unit -> Core.Std.Int.Set.t
end