@Override
  public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
    if (IS_SHARED_COLUMN == columnIndex) {
      if (Boolean.TRUE.equals(aValue)) {
        mySharedConfigurations.add(myAllConfigurations.get(rowIndex));
      } else {
        mySharedConfigurations.remove(myAllConfigurations.get(rowIndex));
      }
      fireTableRowsUpdated(rowIndex, rowIndex + 1);
    }
  }
@Override
  public void setValueAt(Object aValue, int rowIndex, int columnIndex)