@Override
      public Object getValueAt(int row, int column) {
        return switch (column) {
          case 0 -> mySelected.get(row);
          case 1 -> myGroups.get(row).name;
          case 2 -> DateFormatUtil.formatBetweenDates(myGroups.get(row).lastUpdated, myNow);
          case 3 -> StringUtil.formatFileSize(myGroups.get(row).size);
          default -> null;
        };
      }
@Override
      public Object getValueAt(int row, int column)