node. </td></tr>
    <tr><td class="paramname">t</td><td>The target node. </td></tr>
    <tr><td class="paramname">k</td><td>The required amount of flow from node <code>s</code> to node <code>t</code> (i.e. the supply of <code>s</code> and the demand of <code>t</code>).</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><code>(*this)</code> </dd></dl>

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