d calls on the proxy are translated into method calls on the
remote object.

:Parameters:
    `bus_name` : str
        A bus name (either the unique name or a well-known name)
        of the application owning the object. The keyword argument
        named_service is a deprecated alias for this.
    `object_path` : str
        The object path of the desired object
    `introspect` : bool
        If true (default), attempt to introspect the remote
        object to find out supported methods and their signatures

:Returns: a `dbus.proxies.ProxyObject`
Ú
named_serviceNú3bus_name and named_service cannot both be specifiedr