}

// toInteger _ Safely convert interface to integer without causing panic.
func toInteger(val interface{}) (int64, error) {
	switch v := val.(type) {
	case float64:
		return int64(v), nil
	case int64:
		return v, nil
	case int:
		return int64(v), nil
	case string:
		i, err := strconv.Atoi(v)
		return int64(i), err
	default:
		return 0, errors.New("Invalid number format")
	}
}

}

func (h *handlers) hasAny(id HandlerID) bool {
	if !id.valid() {
		return false
	}
	return h.single[id] != nil || h.stateless[id] != nil || h.streams[id] != nil
}

func (h *handlers) hasSubhandler(id subHandlerID) bool {
	return h.subSingle[id] != nil || h.subStateless[id] != nil || h.subStreams[id] != nil
}

// RoundTripper provides an interface for type roundtrip serialization.
type RoundTripper interface {

	sysMaxThreads, err := sys.GetMaxThreads()
	if err == nil {
		minioMaxThreads := (sysMaxThreads * 90) / 100
		// Only set max threads if it is greater than the default one
		if minioMaxThreads > 10000 {
			debug.SetMaxThreads(minioMaxThreads)
		}
	}

	var maxLimit uint64

	// Set open files limit to maximum.
	if _, maxLimit, err = sys.GetMaxOpenFileLimit(); err != nil {
		return err
	}

		if contextCanceled(ctx) {
			return ctx.Err()
		}
		if opts.Limit > 0 && objsReturned >= opts.Limit {
			return nil
		}

		if s.walkMu != nil {
			s.walkMu.Lock()
		}
		entries, err := s.ListDir(ctx, "", opts.Bucket, current, -1)
		if s.walkMu != nil {
			s.walkMu.Unlock()
		}
		if err != nil {
			// Folder could have gone away in-between
			if err != errVolumeNotFound && err != errFileNotFound {

	stat, err := p.Stat()
	if err != nil {
		metricsLogIf(ctx, err)
	} else {
		loadProcStatMetrics(ctx, stat, m)
	}

	io, err := p.IO()
	if err != nil {
		metricsLogIf(ctx, err)
	} else {
		loadProcIOMetrics(ctx, io, m)
	}

	l, err := p.Limits()
	if err != nil {
		metricsLogIf(ctx, err)
	} else {
		if l.OpenFiles > 0 {

		c, err := certs.NewManager(ctx, clientCert, clientKey, tls.LoadX509KeyPair)
		if err != nil {
			return nil, err
		}
		if c != nil {
			c.UpdateReloadDuration(10 * time.Second)
			c.ReloadOnSignal(syscall.SIGHUP) // allow reloads upon SIGHUP
			transport.TLSClientConfig.GetClientCertificate = c.GetClientCertificate
		}
	}
	return transport, nil
}

// NewRemoteTargetHTTPTransport returns a new http configuration

func (target *MQTTTarget) SendFromStore(key store.Key) error {
	if err := target.init(); err != nil {
		return err
	}

	// Do not send if the connection is not active.
	_, err := target.isActive()
	if err != nil {
		return err
	}

	eventData, err := target.store.Get(key)
	if err != nil {
		// The last event key in a successful batch will be sent in the channel atmost once by the replayEvents()

	}

	kduration, err := time.ParseDuration(env.Get(EnvKeyRotationWorkersWait, kvs.GetWithDefault(KeyRotationWorkersWait, DefaultKVS)))
	if err != nil {
		return cfg, err
	}
	if kduration < 0 {
		return cfg, config.ErrInvalidBatchKeyRotationWorkersWait(nil)
	}

	eduration, err := time.ParseDuration(env.Get(EnvKeyExpirationWorkersWait, kvs.GetWithDefault(ExpirationWorkersWait, DefaultKVS)))
	if err != nil {

	if err := dec.DecodeElement(&ssc, &start); err != nil {
		return err
	}
	if len(ssc.ReplicaModifications.Status) == 0 {
		ssc.ReplicaModifications.Status = Enabled
	}
	*s = SourceSelectionCriteria(ssc)
	return nil
}

// MarshalXML - encodes to XML data.
func (s SourceSelectionCriteria) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
	if err := e.EncodeToken(start); err != nil {
		return err
	}
	if s.IsValid() {

	}

	// Initialize
	li, err := cr.NewCustomTokenCredentials(stsEndpoint, token, roleArn, opts...)
	if err != nil {
		log.Fatalf("Error initializing CustomToken Identity: %v", err)
	}

	v, err := li.Get()
	if err != nil {
		log.Fatalf("Error retrieving STS credentials: %v", err)
	}

	if displayCreds {
		fmt.Println("Only displaying credentials:")