a></span> <span class="parameter-name">arguments</span>, </span> <span class="parameter" id="timeSync-param-flow"><span class="type-annotation"><a href="dart-developer/Flow-class.html">Flow</a></span> <span class="parameter-name">flow</span></span> })
    </section>
    <section class="desc markdown">
      <p>A utility method to time a synchronous <code>function</code>. Internally calls
<code>function</code> bracketed by calls to <a href="dart-developer/Timeline/startSync.html">startSync</a> and <a href="d