`sig
type t = private OBus_proxy.proxy
external of_proxy : OBus_proxy.proxy -> t = "%identity"
external to_proxy : t -> OBus_proxy.proxy = "%identity"
val addresses : t -> (string * int) list OBus_property.r
val nameservers : t -> string list OBus_property.r
val domains : t -> string list OBus_property.r
val routes : t -> (string * int * string * int) list OBus_property.r
val properties : t -> OBus_property.group
end`