+GSList *client_search_all_top_parents(ObClient *self);
+
+/*! Returns a window's top level parent. This only counts direct parents,
+ not groups if it is transient for its group.
+*/
+ObClient *client_search_top_parent(ObClient *self);
+
+/*! Is one client a direct child of another (i.e. not through the group.) */
+gboolean client_is_direct_child(ObClient *parent, ObClient *child);