n><span class="tsd-signature-symbol">)</span></h5><div class="tsd-comment tsd-typography"><p>optional predicate to apply to each Part --
       if it returns false do not include Vertex or Edge in the network;
       default ignores link label nodes or links connecting with them</p>
</div><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures"><li class="tsd-signature"><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">a</span><span class="tsd-signa