<a href="dart-ui/FrameTiming-class.html">FrameTiming</a></span>&gt;</span></span> <span class="parameter-name">timings</span></span>)
            <span class="returntype parameter">&#8594; void</span>
          </span>
                  </dt>
        <dd>
          Signature for <a href="dart-ui/Window/onReportTimings.html">Window.onReportTimings</a>. <a href="dart-ui/TimingsCallback.html">[...]</a>
                  
</dd>
        <dt id="VoidCallback" class="callable">
          <span class="name"><a href