"github.com/minio/pkg/v3/policy"
	"github.com/minio/pkg/v3/sync/errgroup"
	"golang.org/x/sync/singleflight"
)

// BucketMetadataSys captures all bucket metadata for a given cluster.
type BucketMetadataSys struct {
	objAPI ObjectLayer

	sync.RWMutex
	initialized bool
	group       *singleflight.Group
	metadataMap map[string]BucketMetadata
}

// Count returns number of bucket metadata map entries.

)

// Input is the main input: a stack of readers and some macro definitions.
// It also handles #include processing (by pushing onto the input stack)
// and parses and instantiates macro definitions.
type Input struct {
	Stack
	includes        []string
	beginningOfLine bool
	ifdefStack      []bool
	macros          map[string]*Macro
	text            string // Text of last token returned by Next.
	peek            bool

// Only changing meaning of fields requires a version bump.
// bucketMetadataFormat refers to the format.
// bucketMetadataVersion can be used to track a rolling upgrade of a field.
type BucketMetadata struct {
	Name                        string
	Created                     time.Time
	LockEnabled                 bool // legacy not used anymore.
	PolicyConfigJSON            []byte
	NotificationConfigXML       []byte

// to fail in such setups.
func ReplicateKeyID() bool { return replicateKeyID() }

// ConnectionOptions is a structure containing options for connecting
// to a KMS.
type ConnectionOptions struct {
	CADir string // Path to directory (or file) containing CA certificates
}

// Connect returns a new Conn to a KMS. It uses configuration from the
// environment and returns a:
//

// advanced arbitrarily far past the last token. Programs that need more
// control over error handling or large tokens, or must run sequential scans
// on a reader, should use [bufio.Reader] instead.
type Scanner struct {
	r            io.Reader // The reader provided by the client.
	split        SplitFunc // The function to split the tokens.
	maxTokenSize int       // Maximum size of a token; modified by tests.

		return subtle.ConstantTimeCompare(globalSFTPTrustedCAPubkey.Marshal(), k.Marshal()) == 1
	}

	_, err = checker.Authenticate(c, clientKey)
	return err
}

type sftpLogger struct{}

func (s *sftpLogger) Info(tag xsftp.LogType, msg string) {
	logger.Info(msg)
}

func (s *sftpLogger) Error(tag xsftp.LogType, err error) {
	switch tag {
	case xsftp.AcceptNetworkError:

					b.ReportMetric(float64(n)*float64(ops)/spent.Seconds(), "vops/s")
					b.ReportMetric(latency/float64(ops), "ms/op")
				}
			})
		}
	})
}

func BenchmarkStream(b *testing.B) {
	tests := []struct {
		name string
		fn   func(b *testing.B, n int)
	}{
		{name: "request", fn: benchmarkGridStreamReqOnly},
		{name: "responses", fn: benchmarkGridStreamRespOnly},
		{name: "twoway", fn: benchmarkGridStreamTwoway},

	healingTrackerFilename        = ".healing.bin"
)

//go:generate msgp -file $GOFILE -unexported

// healingTracker is used to persist healing information during a heal.
type healingTracker struct {
	disk StorageAPI    `msg:"-"`
	mu   *sync.RWMutex `msg:"-"`

	ID         string
	PoolIndex  int
	SetIndex   int
	DiskIndex  int
	Path       string
	Endpoint   string
	Started    time.Time

				// Employ a temporary re-direct.
				http.Redirect(w, r, u.String(), http.StatusTemporaryRedirect)
				return
			}
		}
		h.ServeHTTP(w, r)
	})
}

var redirectPrefixes = map[string]struct{}{
	"favicon-16x16.png": {},
	"favicon-32x32.png": {},
	"favicon-96x96.png": {},
	"index.html":        {},
	minioReservedBucket: {},
}

// Fetch redirect location if urlPath satisfies certain

	}

	if maxCount < quorum {
		return FileInfo{}, InsufficientReadQuorum{Err: errErasureReadQuorum, Type: RQInconsistentMeta}
	}

	// objProps represents properties that go beyond a single version
	type objProps struct {
		succModTime time.Time
		numVersions int
	}
	// Find the successor mod time and numVersions in quorum, otherwise leave the
	// candidate as found
	otherPropsMap := make(counterMap[objProps])