<br> mapping<br> type
              </p>
              </th>
<th>
              <p>
                interval<br> mapping<br> type
              </p>
              </th>
<th>
              <p>
                interval<br> sets
              </p>
              </th>
<th>
              <p>
                interval<br> maps
              </p>
              </th>
</tr></thead>
<tbody>
<tr>
<td>
              <p>
                interval_sets
              </p>
              </td>
<td>
              <p>
         