}

func compareAPI(w io.Writer, features, required, exception []string) (ok bool) {
	ok = true

	featureSet := set(features)
	exceptionSet := set(exception)

	sort.Strings(features)
	sort.Strings(required)

	take := func(sl *[]string) string {
		s := (*sl)[0]
		*sl = (*sl)[1:]
		return s
	}

	for len(features) > 0 || len(required) > 0 {
		switch {

// the integer type used to store each numeric field
// (where timestamps are stored as the number of seconds since the Unix epoch).
//
// The table's lower portion shows specialized features of each format,
// such as supported string encodings, support for sub-second timestamps,
// or support for sparse files.
//
// The Writer currently provides no support for sparse files.
type Format int

type BucketInfo struct {
	// Name of the bucket.
	Name string

	// Date and time when the bucket was created.
	Created time.Time
	Deleted time.Time

	// Bucket features enabled
	Versioning, ObjectLocking bool
}

// ObjectInfo - represents object metadata.
type ObjectInfo struct {
	// Name of the bucket.
	Bucket string

	// Name of the object.
	Name string

		}
		if !prev.Equals(*p) {
			return false
		}
	}
	return true
}

// isBktReplCfgReplicated returns true if all the sites have same number
// of replication rules with all replication features enabled.
func isBktReplCfgReplicated(total int, cfgs []*sreplication.Config) bool {
	cntReplicated := 0
	for _, c := range cfgs {
		if c == nil {
			continue
		}
		cntReplicated++
	}

		config.HelpKV{
			Key:         config.SiteSubSys,
			Description: "label the server and its location",
		},
		config.HelpKV{
			Key:         config.APISubSys,
			Description: "manage global HTTP API call specific features, such as throttling, authentication types, etc.",
		},
		config.HelpKV{
			Key:         config.ScannerSubSys,
			Description: "manage namespace scanning for usage calculation, lifecycle, healing and more",
		},

			}
		}
	}

	if config.XMLNS == "" {
		config.XMLNS = xmlNS
	}
	return &config, nil
}

// ApplyOptions ask for specific features to be enabled,
// when bucketSSEConfig is empty.
type ApplyOptions struct {
	AutoEncrypt bool
}

// Apply applies the SSE bucket configuration on the given HTTP headers and
// sets the specified SSE headers.

		LabelSelector: "app=istiod",
	})
	if err != nil {
		return err
	}
	for _, deployment := range deployments.Items {
		scopingImpacted := false

		// Obtain configmap to verify if affected features are used
		configMapName := "istio"
		if rev := deployment.Labels[label.IoIstioRev.Name]; rev != "default" {
			configMapName += fmt.Sprintf("-%s", rev)
		}

// so there is no risk of polluting the entire cache with data accessed once.
// Another goal of DirectIO is to minimize the mutation of data by the kernel
// before issuing IO to underlying devices. ZFS users often enable features like
// compression and checksumming which currently necessitates mutating data in
// the kernel.
//
// DirectIO semantics for a filesystem like ZFS would be quite different than

//
// This function should only be used with
// - GetBucketInfo
// - ListBuckets
// For all other bucket specific metadata, use the relevant
// calls implemented specifically for each of those features.
func (sys *BucketMetadataSys) Get(bucket string) (BucketMetadata, error) {
	if isMinioMetaBucketName(bucket) {
		return newBucketMetadata(bucket), errConfigNotFound
	}

	sys.RLock()
	defer sys.RUnlock()

)

// basicKeys is a set of the PAX keys for which we have built-in support.
// This does not contain "charset" or "comment", which are both PAX-specific,
// so adding them as first-class features of Header is unlikely.
// Users can use the PAXRecords field to set it themselves.
var basicKeys = map[string]bool{
	paxPath: true, paxLinkpath: true, paxSize: true, paxUid: true, paxGid: true,