// was this heal sequence force started?
	forceStarted bool

	// heal settings applied to this heal sequence
	settings madmin.HealOpts

	// current accumulated status of the heal sequence
	currentStatus healSequenceStatus

	// channel signaled by background routine when traversal has
	// completed
	traverseAndHealDoneCh chan error

	// canceler to cancel heal sequence.
	cancelCtx context.CancelFunc

	return bytealg.LastIndexByte(s, c)
}

// IndexRune interprets s as a sequence of UTF-8-encoded code points.
// It returns the byte index of the first occurrence in s of the given rune.
// It returns -1 if rune is not present in s.
// If r is utf8.RuneError, it returns the first instance of any
// invalid UTF-8 byte sequence.
func IndexRune(s []byte, r rune) int {
	switch {
	case 0 <= r && r < utf8.RuneSelf:

	ErrHandlerAlreadyExists = errors.New("mux handler already exists")

	// ErrIncorrectSequence is returned when an out-of-sequence item is received.
	ErrIncorrectSequence = errors.New("out-of-sequence item received")
)

// ErrResponse is a remote error response.
type ErrResponse struct {
	msg string
}

func (e ErrResponse) Error() string {

	FlagCRCxxh3 Flags = 1 << iota

	// FlagEOF the stream (either direction) is at EOF.
	FlagEOF

	// FlagStateless indicates the message is stateless.
	// This will retain clients across reconnections or
	// if sequence numbers are unexpected.
	FlagStateless

	// FlagPayloadIsErr can be used by individual ops to signify that
	// The payload is a string error converted to byte slice.
	FlagPayloadIsErr

// panicking goroutine. Executing a call to recover inside a deferred
// function (but not any function called by it) stops the panicking sequence
// by restoring normal execution and retrieves the error value passed to the
// call of panic. If recover is called outside the deferred function it will
// not stop a panicking sequence. In this case, or when the goroutine is not
// panicking, recover returns nil.
//

		return nil
	}

	if entry.Level == logger.EventKind {
		fmt.Fprintln(c.output, entry.Message)
		return nil
	}

	traceLength := len(entry.Trace.Source)
	trace := make([]string, traceLength)

	// Add a sequence number and formatting for each stack trace
	// No formatting is required for the first entry
	for i, element := range entry.Trace.Source {
		trace[i] = fmt.Sprintf("%8v: %s", traceLength-i, element)
	}

	tagString := ""

				errState = true
				continue
			}
			msg.Seq++
		}
	}
}

// checkSeq will check if sequence number is correct and increment it by 1.
func (m *muxClient) checkSeq(seq uint32) (ok bool) {
	if seq != m.RecvSeq {
		if debugPrint {
			fmt.Printf("MuxID: %d client, expected sequence %d, got %d\n", m.MuxID, m.RecvSeq, seq)
		}
		m.addResponse(Response{Err: ErrIncorrectSequence})
		return false
	}

				mu.Unlock()
			}(clnt)
		}
		wg.Wait()

		select {
		case <-ctx.Done():
			return ctx.Err()
		default:
			// Sleep and stagger to avoid blocked CPU and thundering
			// herd upon start up sequence.
			time.Sleep(25*time.Millisecond + time.Duration(rand.Int63n(int64(100*time.Millisecond))))
			retries++
			// after 20 retries start logging that servers are not reachable yet
			if retries >= 20 {

type DecryptBlocksReader struct {
	// Source of the encrypted content that will be decrypted
	reader io.Reader
	// Current decrypter for the current encrypted data block
	decrypter io.Reader
	// Start sequence number
	startSeqNum uint32
	// Current part index
	partIndex int
	// Parts information
	parts          []ObjectPartInfo
	header         http.Header
	bucket, object string
	metadata       map[string]string

// are equal. The signatures are expected to be base64 encoded strings
// according to the AWS S3 signature V2 spec.
func compareSignatureV2(sig1, sig2 string) bool {
	// Decode signature string to binary byte-sequence representation is required
	// as Base64 encoding of a value is not unique:
	// For example "aGVsbG8=" and "aGVsbG8=\r" will result in the same byte slice.
	signature1, err := base64.StdEncoding.DecodeString(sig1)