Constants</a></li>
      <li><a class="deprecated" href="dart-core/Duration/HOURS_PER_DAY-constant.html">HOURS_PER_DAY</a></li>
      <li><a href="dart-core/Duration/hoursPerDay-constant.html">hoursPerDay</a></li>
      <li><a class="deprecated" href="dart-core/Duration/MICROSECONDS_PER_DAY-constant.html">MICROSECONDS_PER_DAY</a></li>
      <li><a class="deprecated" href="dart-core/Duration/MICROSECONDS_PER_HOUR-constant.html">MICROSECONDS_PER_HOUR</a></li>
      <li><a class="deprecated" href="dart-core/Du