},
			{
				Description: MetricDescription{
					Namespace: nodeMetricNamespace,
					Subsystem: iamSubsystem,
					Name:      "plugin_authn_service_last_succ_seconds",
					Help:      "When plugin authentication is configured, returns time (in seconds) since the last successful request to the service",
					Type:      gaugeMetric,
				},
				Value: pluginAuthNMetrics.LastReachableSecs,
			},
			{

     * however the username can be {@code null} indication anonymous
     * credentials were used (e.g. some IPC$ services).
     */

    /**
     * Returns the principal used for authentication
     *
     * @return the authentication principal
     */
    public Principal getPrincipal() {
        return auth;
    }

    /**
     * Returns the last component of the target URL. This will

        if (e instanceof SmbException) {
            SmbException se = (SmbException) e;
            int status = se.getNtStatus();
            // Retry on network-related errors but not on authentication or access errors
            return status == NtStatus.NT_STATUS_CONNECTION_REFUSED || status == NtStatus.NT_STATUS_NETWORK_NAME_DELETED
                    || status == NtStatus.NT_STATUS_BAD_NETWORK_NAME;
        }