gt; class</h1>

    <section class="desc markdown">
      <p>A specialized double-linked list of elements that extends <a href="dart-collection/LinkedListEntry-class.html">LinkedListEntry</a>.</p>
<p>This is not a generic data structure. It only accepts elements that extend
the <a href="dart-collection/LinkedListEntry-class.html">LinkedListEntry</a> class. See the <a href="dart-collection/Queue-class.html">Queue</a> implementations for
generic collections that allow constant time adding and removing at the 