tterance/onMark.html">onMark</a></span>
          <span class="signature">&#8594; <a href="../dart-async/Stream-class.html">Stream</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="../dart-html/SpeechSynthesisEvent-class.html">SpeechSynthesisEvent</a></span>&gt;</span></span>         
        </dt>
        <dd>
          Stream of <code>mark</code> events handled by this <a href="../dart-html/SpeechSynthesisUtterance-class.html">SpeechSynthesisUtterance</a>. 
                  <div c