code: func keyKeys(xu *xgbutil.XUtil) []xgbutil.KeyKey {
  	xu.KeybindsLck.RLock()
  	defer xu.KeybindsLck.RUnlock()
  
  	keys := make([]xgbutil.KeyKey, len(xu.Keybinds))
  	i := 0
  	for key, _ := range xu.Keybinds {
  		keys[i] = key
  		i++
  	}
  	return keys
  }
docs: // keyBindKeys returns a copy of all the keys in the 'keybinds' map.