-class.html">Stream</a><span class="signature">&lt;E&gt;</span></span>
      <span class="name ">asyncExpand</span>
&lt;E&gt;(<wbr><span class="parameter" id="asyncExpand-param-convert"><span class="type-annotation"><a href="dart-async/Stream-class.html">Stream</a><span class="signature">&lt;E&gt;</span></span> <span class="parameter-name">convert</span>(<span class="parameter" id="convert-param-event"><span class="type-annotation">T</span> <span class="parameter-name">event</span></span>)</span>)
    </sec