}
	}
}

type expiryTask struct {
	objInfo ObjectInfo
	event   lifecycle.Event
	src     lcEventSrc
}

// expiryStats records metrics related to ILM expiry activities
type expiryStats struct {
	missedExpiryTasks      atomic.Int64
	missedFreeVersTasks    atomic.Int64
	missedTierJournalTasks atomic.Int64
	workers                atomic.Int32
}

	"response-expires",
	"retention",
	"select",
	"select-type",
	"tagging",
	"torrent",
	"uploadId",
	"uploads",
	"versionId",
	"versioning",
	"versions",
	"website",
}

// Signature and API related constants.
const (
	signV2Algorithm = "AWS"
)

// AWS S3 Signature V2 calculation rule is give here:
// http://docs.aws.amazon.com/AmazonS3/latest/dev/RESTAuthentication.html#RESTAuthenticationStringToSign

// DefaultTimeout - default REST timeout is 10 seconds.
const DefaultTimeout = 10 * time.Second

const (
	offline = iota
	online
	closed
)

// NetworkError - error type in case of errors related to http/transport
// for ex. connection refused, connection reset, dns resolution failure etc.
// All errors returned by storage-rest-server (ex errFileNotFound, errDiskNotFound) are not considered to be network errors.

package dns

// Error - DNS related errors error.
type Error struct {
	Bucket string
	Err    error
}

// ErrInvalidBucketName for buckets with invalid name
type ErrInvalidBucketName Error

func (e ErrInvalidBucketName) Error() string {
	return e.Bucket + " invalid bucket name error: " + e.Err.Error()
}

func (e Error) Error() string {
	return "dns related error: " + e.Err.Error()
}

	"github.com/minio/minio/internal/once"
	"github.com/minio/minio/internal/store"
	xnet "github.com/minio/pkg/v2/net"
	"github.com/nats-io/nats.go"
	"github.com/nats-io/stan.go"
)

// NATS related constants
const (
	NATSAddress       = "address"
	NATSSubject       = "subject"
	NATSUsername      = "username"
	NATSPassword      = "password"
	NATSToken         = "token"
	NATSTLS           = "tls"

		cfg.AuditKafka = make(map[string]kafka.Config)
		if cfg, err = lookupAuditKafkaConfig(scfg, cfg); err != nil {
			return cfg, err
		}
	}
	return cfg, nil
}

// ValidateSubSysConfig - validates logger related config of given sub-system
func ValidateSubSysConfig(ctx context.Context, scfg config.Config, subSys string) error {
	// Lookup for legacy environment variables first
	_, err := LookupConfigForSubSys(ctx, scfg, subSys)

	"github.com/minio/minio/internal/event"
	"github.com/minio/minio/internal/pubsub"
	"github.com/minio/pkg/v2/certs"
	"github.com/minio/pkg/v2/env"
	xnet "github.com/minio/pkg/v2/net"
)

// minio configuration related constants.
const (
	GlobalMinioDefaultPort = "9000"

	globalMinioDefaultRegion = ""
	// This is a sha256 output of ``arn:aws:iam::minio:user/admin``,
	// this is kept in present form to be compatible with S3 owner ID

		return false
	}

	// Headers to be set of object content is not going to be written to the client.
	writeHeaders := func() {
		// set common headers
		setCommonHeaders(w)

		// set object-related metadata headers
		w.Header().Set(xhttp.LastModified, objInfo.ModTime.UTC().Format(http.TimeFormat))

		if objInfo.ETag != "" {
			w.Header()[xhttp.ETag] = []string{"\"" + objInfo.ETag + "\""}
		}
	}

	driveHealing                 = "healing"
	driveOnline                  = "online"

	driveOfflineCount = "offline_count"
	driveOnlineCount  = "online_count"
	driveCount        = "count"

	// iostat related
	driveReadsPerSec    = "reads_per_sec"
	driveReadsKBPerSec  = "reads_kb_per_sec"
	driveReadsAwait     = "reads_await"
	driveWritesPerSec   = "writes_per_sec"
	driveWritesKBPerSec = "writes_kb_per_sec"

		}
		defaultMeta[k] = v
	}

	// remove SSE Headers from source info
	crypto.RemoveSSEHeaders(defaultMeta)

	// Storage class is special, it can be replaced regardless of the
	// metadata directive, if set should be preserved and replaced
	// to the destination metadata.
	sc := r.Header.Get(xhttp.AmzStorageClass)
	if sc == "" {
		sc = r.Form.Get(xhttp.AmzStorageClass)
	}