module type S =sig..end
type 
type 
type 
val dispatch_multi : version:int ->
       Rpc.Connection.t ->
       query ->
       (response Core.Std.Or_error.t
        Import.Pipe.Reader.t * Rpc.Pipe_rpc.Id.t,
        error)
       Core.Std.Result.t Core.Std.Or_error.t Import.Deferred.tval versions : unit -> Core.Std.Int.Set.tdispatch_multi.
          (useful for computing which old versions may be pruned)