cln.certPair = certPair;
    public Object clone()    {        X509CertPairStoreSelector cln = new X509CertPairStoreSelector();        if (forwardSelector != null)        {            cln.setForwardSelector((X509CertStoreSelector) forwardSelector                    .clone());        }        if (reverseSelector != null)        {            cln.setReverseSelector((X509CertStoreSelector) reverseSelector                    .clone());        }        return cln;    }