public void Patch(Lifetime lifetime, [NotNull] IActionBar actionBar)
        {
            if (actionBar.ActionGroup.ActionId == TodoExplorerActionBarActionGroup.ID)
            {
                _separator = actionBar.InjectSeparator(int.MaxValue);

                _label = actionBar.InjectLabel(int.MaxValue, "Updating...", lifetime);
                _label.NotNull().MouseDoubleClick += Label_MouseDoubleClick;

                lifetime.OnTermination(() =>
                {
                    _label.NotNull().MouseDoubleClick -= Label_MouseDoubleClick;
                    _label     = null;
                    _separator = null;
                });

                _separator = actionBar.InjectSeparator(int.MaxValue);

                _shellLocks.Tasks.Queue(lifetime, () => UpdateRequestSignal.Fire(), TaskPriority.BelowNormal);
            }
        }