arameter-name">orElse</span>()</span> })
            <span class="returntype parameter">&#8594; <a href="dart-async/Future-class.html">Future</a><span class="signature">&lt;<a href="dart-io/Socket-class.html">Socket</a>&gt;</span></span>
          </span>
        </dt>
        <dd class="inherited">
          Finds the first element of this stream matching <code>test</code>. <a href="dart-async/Stream/firstWhere.html">[...]</a>
          <div class="features">inherited</div>
</dd>
        <dt id="fold" clas