isExplicitlyEnabled = cfgEnableVal != ""
		)

		var enabled bool
		if isExplicitlyEnabled {
			enabled, err = config.ParseBool(cfgEnableVal)
			if err != nil {
				return c, err
			}
			// No need to continue loading if the config is not enabled.
			if !enabled {
				continue
			}
		}

		p := newProviderCfgFromConfig(getCfgVal)
		configURL := getCfgVal(ConfigURL)

		if err != nil {
			return cfg, err
		}

		kafkaArgs := kafka.Config{
			Enabled: enabled,
			Brokers: brokers,
			Topic:   getCfgVal(EnvKafkaTopic, k, kv.Get(KafkaTopic)),
			Version: getCfgVal(EnvKafkaVersion, k, kv.Get(KafkaVersion)),
		}

		kafkaArgs.TLS.Enable = getCfgVal(EnvKafkaTLS, k, kv.Get(KafkaTLS)) == config.EnableOn

type KafkaArgs struct {
	Enable     bool        `json:"enable"`
	Brokers    []xnet.Host `json:"brokers"`
	Topic      string      `json:"topic"`
	QueueDir   string      `json:"queueDir"`
	QueueLimit uint64      `json:"queueLimit"`
	Version    string      `json:"version"`
	BatchSize  uint32      `json:"batchSize"`
	TLS        struct {
		Enable        bool               `json:"enable"`
		RootCAs       *x509.CertPool     `json:"-"`

	// Common lock for various subsystems performing the leader tasks
	globalLeaderLock *sharedLock

	// Auto-Encryption, if enabled, turns any non-SSE-C request
	// into an SSE-S3 request. If enabled a valid, non-empty KMS
	// configuration must be present.
	globalAutoEncryption bool

	// Is compression enabled?
	globalCompressConfigMu sync.Mutex
	globalCompressConfig   compress.Config

	*output = OutputSerialization(parsedOutput)
	output.unmarshaled = true
	return nil
}

// RequestProgress - represents elements inside <RequestProgress/> in request XML.
type RequestProgress struct {
	Enabled bool `xml:"Enabled"`
}

// ScanRange represents the ScanRange parameter.
type ScanRange struct {
	// Start is the byte offset to read from (from the start of the file).
	Start *uint64 `xml:"Start"`

}

// BucketRemoteTargetNotVersioned remote target does not have versioning enabled.
type BucketRemoteTargetNotVersioned GenericError

func (e BucketRemoteTargetNotVersioned) Error() string {
	return "Remote target does not have versioning enabled: " + e.Bucket
}

// BucketReplicationSourceNotVersioned replication source does not have versioning enabled.
type BucketReplicationSourceNotVersioned GenericError

			nil, nil),
		prometheus.CounterValue,
		float64(connStats.s3InputBytes),
	)
}

// Populates prometheus with bucket usage metrics, this metrics
// is only enabled if scanner is enabled.
func bucketUsageMetricsPrometheus(ch chan<- prometheus.Metric) {
	objLayer := newObjectLayerFn()
	// Service not initialized yet
	if objLayer == nil {
		return
	}

		callhomeCfg, err := callhome.LookupConfig(s[config.CallhomeSubSys][config.Default])
		if err != nil {
			configLogIf(ctx, fmt.Errorf("Unable to load callhome config: %w", err))
		} else {
			enable := callhomeCfg.Enable && !globalCallhomeConfig.Enabled()
			globalCallhomeConfig.Update(callhomeCfg)
			if enable {
				initCallhome(ctx, objAPI)
			}
		}
	case config.DriveSubSys:

	if tgt.Type == madmin.ReplicationService {
		if !globalBucketVersioningSys.Enabled(bucket) {
			return BucketReplicationSourceNotVersioned{Bucket: bucket}
		}
		vcfg, err := clnt.GetBucketVersioning(ctx, tgt.TargetBucket)
		if err != nil {
			return RemoteTargetConnectionErr{Bucket: tgt.TargetBucket, Err: err, AccessKey: tgt.Credentials.AccessKey}
		}
		if !vcfg.Enabled() {
			return BucketRemoteTargetNotVersioned{Bucket: tgt.TargetBucket}

	if s3Error := checkRequestAuthType(ctx, r, policy.PutObjectAction, bucket, object); s3Error != ErrNone {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}

	// Check if bucket encryption is enabled
	sseConfig, _ := globalBucketSSEConfigSys.Get(bucket)
	sseConfig.Apply(r.Header, sse.ApplyOptions{
		AutoEncrypt: globalAutoEncryption,
	})

	// Validate storage class metadata if present