e</a></span><span class="signature">(<wbr>)
            <span class="returntype parameter">&#8594; <a href="dart-async/Future-class.html">Future</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="dart-io/SecureServerSocket-class.html">SecureServerSocket</a></span>&gt;</span></span>
          </span>
                  </dt>
        <dd>
          Closes the socket. The returned future completes when the socket
is fully closed and is no longer bound.
                  
</dd>
        <dt