>
<tr>
<td>
                    <p>
                      Collection &amp;
                    </p>
                  </td>
<td>
                    <p>
                      output collection, either a multi-geometry, or a std::vector&lt;Geometry&gt;
                      / std::deque&lt;Geometry&gt; etc
                    </p>
                  </td>
<td>
                    <p>
                      output_collection
                    </p>
                  </td>
<td>
                    <p>
         