 timelines axis and items. When orientation is a string, the value is applied to both items and axis. Can be 'top', 'bottom' (default), 'both', or 'none'.</td>
    </tr>
    <tr parent="orientation" class="hidden">
      <td class="indent">orientation.axis</td>
      <td>String</td>
      <td><code>'bottom'</code></td>
      <td>Orientation of the timeline axis: 'top', 'bottom' (default), 'both', or 'none'. If orientation is 'bottom', the time axis is drawn at the bottom. When 'top', the axis is drawn on to