             the output collection
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      Strategy const &amp;
                    </p>
                  </td>
<td>
                    <p>
                      Any type fulfilling a Sym_difference Strategy Concept
                    </p>
                  </td>
<td>
                    <p>
                      strategy
                    </p>
                  </td>
<td>
                    <p>
    