Gio.DBusProxy.prototype.get_cached_property_names

function get_cached_property_names(): Array(String) {
    // Gjs wrapper for g_dbus_proxy_get_cached_property_names()
}

Gets the names of all cached properties on proxy.

Since 2.26

Returns: A null-terminated array of strings or null if proxy has no cached properties. Free the returned array with GLib.strfreev.