         Removes all elements of this set that satisfy <code>test</code>.
          
</dd>
        <dt id="retainAll" class="callable">
          <span class="name"><a href="dart-core/Set/retainAll.html">retainAll</a></span><span class="signature">(<wbr><span class="parameter" id="retainAll-param-elements"><span class="type-annotation"><a href="dart-core/Iterable-class.html">Iterable</a><span class="signature">&lt;<a href="dart-core/Object-class.html">Object</a>&gt;</span></span> <span class="parameter-name