docs: private Grid makeAxesPanel() {
      final Grid grid = new Grid(5, 3);
      grid.setText(0, 1, "Y");
      grid.setText(0, 2, "Y2");
      setTextAlignCenter(grid.getRowFormatter().getElement(0));
      grid.setText(1, 0, "Label");
      grid.setWidget(1, 1, ylabel);
      grid.setWidget(1, 2, y2label);
      grid.setText(2, 0, "Format");
      grid.setWidget(2, 1, yformat);
      grid.setWidget(2, 2, y2format);
      grid.setText(3, 0, "Range");
      grid.setWidget(3, 1, yrange);
      grid.setWidget(3, 2, y2range);
      grid.setText(4, 0, "Log scale");
      grid.setWidget(4, 1, ylog);
      grid.setWidget(4, 2, y2log);
      setTextAlignCenter(grid.getCellFormatter().getElement(4, 1));
      setTextAlignCenter(grid.getCellFormatter().getElement(4, 2));
      return grid;
    }