gnature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><a href="#findLane.findLane-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><div class="tsd-comment tsd-typography"><p>This is just like <a href="SwimLaneLayout.html#getLane" class="tsd-kind-method">getLane</a> but handles dummy vertexes
for which the <a href="SwimLaneLayout.ht