@Override
      protected Divider createDivider() {
        return new OnePixelDivider(isVertical(), this) {
          @Override
          public void paint(Graphics g) {
            final Rectangle bounds = g.getClipBounds();
            g.setColor(myTable.getShowVerticalLines() ? myTable.getGridColor() : myTable.getBackground());
            g.fillRect(bounds.x, bounds.y, bounds.width, bounds.height);

            JTableHeader header = myTreeTableHeader;
            Rectangle rect = header.getHeaderRect(0);
            g.setClip(rect.x, rect.y, 2, rect.height);
            g.translate(-rect.width + 1, 0);
            header.paint(g);
          }
        };
      }
@Override
      protected Divider createDivider()