Man pages matching name tickit_window_unbind_event_id in section 3:

tickit_window_unbind_event_id.3.en	debian 10 / libtickit-dev
tickit_window_unbind_event_id.3.en	debian 11 / libtickit-dev
tickit_window_unbind_event_id.3.en	debian 12 / libtickit-dev