* container) and focus should be set there.
*
*/
-bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_parent, bool force_set_focus);
+bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_parent);
/**
* Loads tree from ~/.i3/_restart.json (used for in-place restarts).