@Override
    public Object getValueAt(int rowIndex, int columnIndex) {
      if (rowIndex >= getRowCount()) {
        return null;
      }
      final EnumerationChildrenRenderer.ChildInfo row = myData.get(rowIndex);
      return switch (columnIndex) {
        case NAME_TABLE_COLUMN -> row.myName;
        case EXPRESSION_TABLE_COLUMN -> row.myExpression;
        case ONDEMAND_TABLE_COLUMN -> row.myOnDemand;
        default -> null;
      };
    }
@Override
    public Object getValueAt(int rowIndex, int columnIndex)