 class="col-xs-12 col-sm-9 col-md-8 main-content">
      <div><h1><span class="kind-property">onLoading</span> property</h1></div>


        <section id="getter">
        
        <section class="multi-line-signature">
          <span class="returntype"><a href="../../dart-async/Stream-class.html">Stream</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="../../dart-html/FontFaceSetLoadEvent-class.html">FontFaceSetLoadEvent</a></span>&gt;</span></span>
                  <span class="na