@Override
    public Object getValueAt(int rowIndex, int columnIndex) {
      com.intellij.ui.classFilter.ClassFilter filter = myFilters.get(rowIndex);
      if (columnIndex == FILTER) {
        return filter;
      }
      if (columnIndex == CHECK_MARK) {
        return filter.isEnabled();
      }
      return null;
    }
@Override
    public Object getValueAt(int rowIndex, int columnIndex)