+ GValue gvalue = {0, };
+ AtkValue *value = get_value_from_servant (servant);
+
+ g_return_val_if_fail (value != NULL, 0.0);
+
+ /*
+ * FIXME: ahem, there's no guarantee that
+ * atk_value_get_minimum_value returns a float.
+ * What we really need is a generic value API here
+ */