sd-comment tsd-typography"><p>A <a href="Diagram.html" class="tsd-kind-class">Diagram</a> or a <a href="Group.html" class="tsd-kind-class">Group</a> or a collection of <a href="Part.html" class="tsd-kind-class">Part</a>s</p>
</div></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></section><section class="tsd-panel tsd-member"><a id="electricalCharge" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagVirtual">Virtual