const gchar * g_binding_get_source_property (GBinding *binding);
GLIB_AVAILABLE_IN_ALL
const gchar * g_binding_get_target_property (GBinding *binding);
+GLIB_AVAILABLE_IN_2_38
+void g_binding_unbind (GBinding *binding);
GLIB_AVAILABLE_IN_ALL
GBinding *g_object_bind_property (gpointer source,