rt-core/Iterable/lastWhere.html">[...]</a>
                  <div class="features">inherited</div>
</dd>
        <dt id="lookup" class="callable inherited">
          <span class="name"><a href="../dart-core/Set/lookup.html">lookup</a></span><span class="signature">(<wbr><span class="parameter" id="lookup-param-object"><span class="type-annotation"><a href="../dart-core/Object-class.html">Object</a></span> <span class="parameter-name">object</span></span><wbr>)
            <span class="returntype parameter"