DefaultKeyID: stat.DefaultKey,
		Endpoints:    make(map[string]madmin.ItemState, len(stat.Endpoints)),
	}
	for _, endpoint := range stat.Endpoints {
		status.Endpoints[endpoint] = madmin.ItemOnline // TODO(aead): Implement an online check for mTLS
	}

	resp, err := json.Marshal(status)
	if err != nil {
		writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInternalError), err.Error(), r.URL)
		return
	}

		return nil
	}
}

// Value arithmetic functions: we do not expose them outside the
// module. All arithmetic works only on numeric values with automatic
// promotion to the "larger" type that can represent the value. TODO:
// Add support for large number arithmetic.

// Supported arithmetic operators
const (
	opPlus     = "+"
	opMinus    = "-"
	opDivide   = "/"
	opMultiply = "*"
	opModulo   = "%"
)

	}
	xl.SetDiskID(emptyDiskID)

	xl.totalWrites.Store(xl.storage.getWriteAttribute())
	xl.totalDeletes.Store(xl.storage.getDeleteAttribute())
	xl.diskCtx, xl.diskCancel = context.WithCancel(context.TODO())
	for i := range xl.apiLatencies[:] {
		xl.apiLatencies[i] = &lockedLastMinuteLatency{}
	}
	if xl.healthCheck {
		go xl.monitorDiskWritable(xl.diskCtx)
	}
	return &xl
}

	defer disk.Delete(context.TODO(), minioMetaBucket, tmpFormat, DeleteOptions{
		Recursive: false,
		Immediate: false,
	})

	// write to unique file.
	if err = disk.WriteAll(context.TODO(), minioMetaBucket, tmpFormat, formatData); err != nil {
		return err
	}

	// Rename file `uuid.json` --> `format.json`.

	}
	return m.parent.send(m.ctx, dst)
}

// RequestStateless will send a single payload request and stream back results.
// req may not be read/written to after calling.
// TODO: Not implemented
func (m *muxClient) RequestStateless(h HandlerID, req []byte, out chan<- Response) {
	if m.init {
		out <- Response{Err: errors.New("mux client already used")}
	}
	m.init = true

	if !bytes.HasPrefix(sig, []byte("x-amz-trailer-signature:")) {
		if cr.debug {
			fmt.Printf("prefix, want prefix %q, got %q", "x-amz-trailer-signature:", string(sig))
		}
		return errMalformedEncoding
	}

	// TODO: It seems like we may have to be prepared to rewrite and sort trailing headers:
	// https://docs.aws.amazon.com/IAM/latest/UserGuide/create-signed-request.html

	// Any value must end with a newline.

		// transitioned tier lies untouched and still accessible
		opts.Transition.ExpireRestored = true
		_, err := objectAPI.DeleteObject(ctx, oi.Bucket, oi.Name, opts)
		if err == nil {
			// TODO consider including expiry of restored object to events we
			// notify.
			auditLogLifecycle(ctx, *oi, ILMExpiry, tags, traceFn)
		}
		return err
	}

	// Delete remote object from warm-tier

	MD5, err := hex.DecodeString(md5Hex)
	if err != nil {
		return nil, BadDigest{ // TODO(aead): Return an error that indicates that an invalid ETag has been specified
			ExpectedMD5:   md5Hex,
			CalculatedMD5: "",
		}
	}
	SHA256, err := hex.DecodeString(sha256Hex)
	if err != nil {
		return nil, SHA256Mismatch{ // TODO(aead): Return an error that indicates that an invalid Content-SHA256 has been specified

			legacy: true,
			pools:  []poolDisksLayout{{layout: setArgs, cmdline: strings.Join(args, " ")}},
		}
		return
	}

	for _, arg := range args {
		if !ellipses.HasEllipses(arg) && len(args) > 1 {
			// TODO: support SNSD deployments to be decommissioned in future
			return fmt.Errorf("all args must have ellipses for pool expansion (%w) args: %s", errInvalidArgument, args)
		}
		setArgs, err = GetAllSets(setDriveCount, arg)

	} else {
		handler = c.handlers.subSingle[*subID]
	}
	if handler == nil {
		gridLogIf(ctx, c.queueMsg(m, muxConnectError{Error: "Invalid Handler for type"}))
		return
	}

	// TODO: This causes allocations, but escape analysis doesn't really show the cause.
	// If another faithful engineer wants to take a stab, feel free.
	go func(m message) {
		var start time.Time
		if m.DeadlineMS > 0 {