public TableModelEvent(TableModel source, int firstRow, int lastRow, int column, int type)
public TableModelEvent(TableModel source)
  public TableModelEvent(TableModel source, int firstRow, int lastRow, int column, int type)  {    super(source);    this.firstRow = firstRow;    this.lastRow = lastRow;    this.column = column;    this.type = type;  }