 artificial vertexes and
all edges that do not connect two different vertexes.
Afterwards, this original network may be empty or may contain all of the
singleton vertexes, each of which had no edges connecting it to any other vertexes.</p>
</div><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><h5><code class="tsd-tag ts-flagOptional">Optional</code> <span class="tsd-kind-parameter">clean</span>: <span class="tsd-signature-type">boolean</span></h