list">
        <dt id="Duration" class="callable">
          <span class="name"><a href="dart-core/Duration/Duration.html">Duration</a></span><span class="signature">({<span class="parameter" id="-param-days"><span class="type-annotation"><a href="dart-core/int-class.html">int</a></span> <span class="parameter-name">days</span>: <span class="default-value">0</span>, </span> <span class="parameter" id="-param-hours"><span class="type-annotation"><a href="dart-core/int-class.html">int</a></span> <span class="