ream asynchronously
mapped to a new event.</p>
<p>This acts like <a href="dart-async/Stream/map.html">map</a>, except that <code>convert</code> may return a <a href="dart-async/Future-class.html">Future</a>,
and in that case, the stream waits for that future to complete before
continuing with its result.</p>
<p>The returned stream is a broadcast stream if this stream is.</p>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span> </h2>
      <pre class