n>
        </dt>
        <dd>
          The entry object of the first element in the queue. <a href="dart-collection/DoubleLinkedQueue/firstEntry.html">[...]</a>
          
</dd>
        <dt id="forEachEntry" class="callable">
          <span class="name"><a href="dart-collection/DoubleLinkedQueue/forEachEntry.html">forEachEntry</a></span><span class="signature">(<wbr><span class="parameter" id="forEachEntry-param-action"><span class="type-annotation">void</span> <span class="parameter-name">action</span>(<