 id="listen" class="callable">
          <span class="name"><a href="dart-io/SecureServerSocket/listen.html">listen</a></span><span class="signature">(<wbr><span class="parameter" id="listen-param-onData"><span class="type-annotation">void</span> <span class="parameter-name">onData</span>(<span class="parameter" id="onData-param-socket"><span class="type-annotation"><a href="dart-io/SecureSocket-class.html">SecureSocket</a></span> <span class="parameter-name">socket</span></span>), {</span> <span class="par