rt-core/Duration/operator_unary_minus.html">operator unary-</a></li>
      <li><a href="dart-core/Duration/operator_truncate_divide.html">operator ~/</a></li>
    
    
    
      <li class="section-title"><a href="dart-core/Duration-class.html#constants">Constants</a></li>
      <li><a href="dart-core/Duration/hoursPerDay-constant.html">hoursPerDay</a></li>
      <li><a href="dart-core/Duration/microsecondsPerDay-constant.html">microsecondsPerDay</a></li>
      <li><a href="dart-core/Duration/microsecondsP