        <dt id="HashSet" class="callable">
          <span class="name"><a href="../dart-collection/HashSet/HashSet.html">HashSet</a></span><span class="signature">(<span class="parameter" id="-param-equals">{<span class="type-annotation"><a href="../dart-core/bool-class.html">bool</a></span> <span class="parameter-name">equals</span>(<span class="parameter" id="param-e1"><span class="type-annotation">E</span> <span class="parameter-name">e1</span>, </span><wbr><span class="parameter" id="param-e2"><span cl