 <span class="returntype parameter">&#8594; <a href="dart-core/Duration-class.html">Duration</a></span>
          </span>
                  </dt>
        <dd>
          Returns a new <code>Duration</code> representing the absolute value of this
<code>Duration</code>. <a href="dart-core/Duration/abs.html">[...]</a>
                  
</dd>
        <dt id="compareTo" class="callable">
          <span class="name"><a href="dart-core/Duration/compareTo.html">compareTo</a></span><span class="signature">(<wbr><sp