public override void dispose()
{
_rightClickFocus.removeListener(RightClickFocusListener);
_rightClickFocus.dispose();
_focusNode.dispose();
base.dispose();
}
public override void dispose()
{
WidgetsBinding.instance.removeObserver(this);
_removeDropdownRoute();
WidgetsBinding.instance.focusManager.removeHighlightModeListener(_handleFocusHighlightModeChange);
focusNode.removeListener(_handleFocusChanged);
_internalNode?.dispose();
base.dispose();
}
