public bool CanHighlight {get;}

{
  // Note: Needs QueuedTask to run
  {
    // get list of current selected objectIDs
    IReadOnlyList<long> selectedObjectIds = tableView.GetSelectedObjectIds();
    List<long> idsToHighlight = [];

    // add the first two selected objectIds to highlight
    if (selectedObjectIds.Count >= 2)
    {
      idsToHighlight.Add(selectedObjectIds[0]);
      idsToHighlight.Add(selectedObjectIds[1]);
    }

    // highlight
    if (tableView.CanHighlight)
      tableView.Highlight(idsToHighlight, true);
  }
}