ass="tsd-signature-symbol">?: </span
                        ><span class="tsd-signature-type">string</span
                        ><span class="tsd-signature-symbol">)</span
                        ><span class="tsd-signature-symbol">: </span
                        ><span class="tsd-signature-type">Router</span>
                      </li>
                    </ul>
                    <ul class="tsd-descriptions">
                      <li class="tsd-description">
                        <aside class="ts