Module Async_rpc_kernel.Persistent_connection
include module type of sig ... end
module Make = Persistent_connection_kernel.Make
module Rpc : S with type conn = Rpc.Connection.t and type address = Core_kernel.Host_and_port.t
module Versioned_rpc : S with type conn = Versioned_rpc.Connection_with_menu.t and type address = Core_kernel.Host_and_port.t