         <li>@JSName(&#39;webkitRequestFileSystemSync&#39;)</li>
          <li>@SupportedBrowser(SupportedBrowser.CHROME)</li>
          <li>@SupportedBrowser(SupportedBrowser.SAFARI)</li>
        </ol>
      </div>
      <span class="returntype">_DOMFileSystemSync</span>
            <span class="name ">requestFileSystemSync</span>
(<wbr><ol class="parameter-list"><li><span class="parameter" id="requestFileSystemSync-param-type"><span class="type-annotation"><a href="../../dart-core/int-class.html">int</a><