var wg sync.WaitGroup
	for lockID := range restClnts {
		wg.Add(1)
		go func(lockID int) {
			defer wg.Done()
			if sendRelease(ctx, ds, restClnts[lockID], owner, (*locks)[lockID], isReadLock, names...) {
				(*locks)[lockID] = ""
			}
		}(lockID)
	}
	wg.Wait()

	// Return true if releaseAll was successful, otherwise we return 'false'

	"github.com/minio/minio/internal/logger"
	"github.com/minio/pkg/v2/env"
)

const (
	logSubsys = "locking"
)

func lockLogIf(ctx context.Context, err error) {
	logger.LogIf(ctx, logSubsys, err)
}

// Enabled indicates object locking is enabled
const Enabled = "Enabled"

// RetMode - object retention mode.
type RetMode string

const (
	// RetGovernance - governance mode.

}

// freezeServices will freeze all incoming S3 API calls.
// For each call, unfreezeServices must be called once.
func freezeServices() {
	// Use atomics for globalServiceFreeze, so we can read without locking.
	// We need a lock since we are need the 2 atomic values to remain in sync.
	globalServiceFreezeMu.Lock()
	// If multiple calls, first one creates channel.
	globalServiceFreezeCnt++
	if globalServiceFreezeCnt == 1 {

		}

		dirPath := buildMinioDir(prefix)

		_, err = clnt.PutObject(context.Background(), bucket, dirPath, bytes.NewReader([]byte("")), 0,
			// Always send Content-MD5 to succeed with bucket with
			// locking enabled. There is no performance hit since
			// this is always an empty object
			minio.PutObjectOptions{SendContentMd5: true},
		)
		return err
	}

	return NotImplemented{}
}

func (o *ObjectOptions) SetEvalRetentionBypassFn(f EvalRetentionBypassFn) {
	o.EvalRetentionBypassFn = f
}

// ObjectLayer implements primitives for object API layer.
type ObjectLayer interface {
	// Locking operations on object.
	NewNSLock(bucket string, objects ...string) RWLocker

	// Storage operations.
	Shutdown(context.Context) error

}

// load the cache content with name from minioMetaBackgroundOpsBucket.
// Only backend errors are returned as errors.
// The loader is optimistic and has no locking, but tries 5 times before giving up.
// If the object is not found, a nil error with empty data usage cache is returned.
func (d *dataUsageCache) load(ctx context.Context, store objectIO, name string) error {

	return b.LockEnabled || (b.versioningConfig != nil && b.versioningConfig.Enabled()) || (b.objectLockConfig != nil && b.objectLockConfig.Enabled())
}

// ObjectLocking returns true if object locking is enabled
func (b BucketMetadata) ObjectLocking() bool {
	return b.LockEnabled || (b.objectLockConfig != nil && b.objectLockConfig.Enabled())
}

	}

	toDel := make([]ObjectToDelete, 0, len(overflowVersions))
	for _, fi := range overflowVersions {
		obj := fi.ToObjectInfo(i.bucket, i.objectPath(), versioned)
		// skip versions with object locking enabled
		if rcfg.LockEnabled && enforceRetentionForDeletion(ctx, obj) {
			if i.debug {
				if obj.VersionID != "" {

					Versioning:          globalBucketVersioningSys.Enabled(bucket.Name),
					VersioningSuspended: globalBucketVersioningSys.Suspended(bucket.Name),
					Replication:         rcfg != nil,
					Locking:             lcfg.LockEnabled,
					Quota:               quota,
					Tagging:             tcfg,
				},
				Access: madmin.AccountAccess{
					Read:  rd,
					Write: wr,
				},
			})
		}

	}

	dirPath := buildMinioDir(prefix)

	_, err = clnt.PutObject(context.Background(), bucket, dirPath, bytes.NewReader([]byte("")), 0,
		// Always send Content-MD5 to succeed with bucket with
		// locking enabled. There is no performance hit since
		// this is always an empty object
		minio.PutObjectOptions{SendContentMd5: true},
	)
	return err
}

// GetFile implements ftpDriver