f an animation. <a href="dart-ui/FrameInfo-class.html">[...]</a>
        </dd>
        <dt id="FrameTiming">
          <span class="name "><a href="dart-ui/FrameTiming-class.html">FrameTiming</a></span>         
        </dt>
        <dd>
          Time-related performance metrics of a frame. <a href="dart-ui/FrameTiming-class.html">[...]</a>
        </dd>
        <dt id="Gradient">
          <span class="name "><a href="dart-ui/Gradient-class.html">Gradient</a></span>         
        </dt>
        <dd>
  