">peerCertificate</a> will return the client certificate, or null, if no
client certificate was received.  If it is the client end,
<a href="dart-io/SecureSocket/peerCertificate.html">peerCertificate</a> will return the server's certificate.
          <div class="features">read-only</div>
</dd>
        <dt id="selectedProtocol" class="property">
          <span class="name"><a href="dart-io/SecureSocket/selectedProtocol.html">selectedProtocol</a></span>
          <span class="signature">&#8594; <a href="dar