td>
</tr>
<tr>
<td>
                  <p>
                    buffered_point
                  </p>
                </td>
<td>
                </td>
</tr>
<tr>
<td>
                  <p>
                    buffered_concave
                  </p>
                </td>
<td>
                </td>
</tr>
<tr>
<td>
                  <p>
                    piece_type_unknown
                  </p>
                </td>
<td>
                </td>
</tr>
</tbody>
</table></div>
<h6>
<a name="geometry.reference.enum