gboolean g_dbus_proxy_get_property(GDBusProxy *proxy, const char *name,
DBusMessageIter *iter);
+gboolean g_dbus_proxy_refresh_property(GDBusProxy *proxy, const char *name);
+
typedef void (* GDBusResultFunction) (const DBusError *error, void *user_data);
gboolean g_dbus_proxy_set_property_basic(GDBusProxy *proxy,