t</span></span>)
            <span class="returntype parameter">&#8594; E</span>
          </span>
                  </dt>
        <dd class="inherited">
          If an object equal to <code>object</code> is in the set, return it. <a href="dart-core/Set/lookup.html">[...]</a>
                  <div class="features">inherited</div>
</dd>
        <dt id="map" class="callable inherited">
          <span class="name"><a href="dart-core/Iterable/map.html">map</a></span><span class="signature">&lt;<wbr><span cla