ns.html">Extensions</a> for how to override methods and how to call this base method.</p>
</div><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><h5><span class="tsd-kind-parameter">e</span>: <a href="ForceDirectedEdge.html" class="tsd-signature-type tsd-kind-class">ForceDirectedEdge</a></h5></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4><p>Returns the stiffness of the edge representing a 