e-param-orElse"><span class="type-annotation"><a href="dart-io/Socket-class.html">Socket</a></span> <span class="parameter-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 last element in this stream matching <code>test</code>. <a href="dart-async/S