ements of this set that are not elements in <code>elements</code>. <a href="../dart-core/Set/retainAll.html">[...]</a>
                  <div class="features">inherited</div>
</dd>
        <dt id="retainWhere" class="callable inherited">
          <span class="name"><a href="../dart-core/Set/retainWhere.html">retainWhere</a></span><span class="signature">(<wbr><span class="parameter" id="retainWhere-param-test"><span class="type-annotation"><a href="../dart-core/bool-class.html">bool</a></span> <span class=