-int resize_graphical_handler(Con *first, Con *second, orientation_t orientation, xcb_button_press_event_t *event);
+bool resize_find_tiling_participants(Con **current, Con **other, direction_t direction);
+
+int resize_graphical_handler(Con *first, Con *second, orientation_t orientation, const xcb_button_press_event_t *event);