new Rectangle(Integer.MAX_VALUE/2, Integer.MAX_VALUE/2));
new Rectangle());
    Rectangle getBounds()    {      // This method may be called in the context when the tree rectangle is      // not known. To work around this, it is assumed near infinitely large.      if (bounds==null)        bounds = getNodeDimensions(node, row, depth, isExpanded,                                    new Rectangle(Integer.MAX_VALUE/2,                                                 Integer.MAX_VALUE/2));      return bounds;          }