@Override
    public String toString() {
        return "TransportMetrics{" +
                "tlsCertificateVerificationFailures=" + tlsCertificateVerificationFailures +
                ", peerAuthorizationFailures=" + peerAuthorizationFailures +
                ", serverTlsConnectionsEstablished=" + serverTlsConnectionsEstablished +
                ", clientTlsConnectionsEstablished=" + clientTlsConnectionsEstablished +
                ", serverUnencryptedConnectionsEstablished=" + serverUnencryptedConnectionsEstablished +
                ", clientUnencryptedConnectionsEstablished=" + clientUnencryptedConnectionsEstablished +
                '}';
    }
Metric values produced by {@link Transport}.

@author bjorncs
jrt/src/com/yahoo/jrt/TransportMetrics.java