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   = "%"
)

        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "topk(1, sum(minio_cluster_capacity_usable_total_bytes{job=~\"$scrape_jobs\"}) by (instance)) - topk(1, sum(minio_cluster_capacity_usable_free_bytes{job=~\"$scrape_jobs\"}) by (instance))",
          "format": "time_series",
          "instant": false,
          "interval": "1m",

			if ei.V2Obj.Size != size {
				return fmt.Errorf("size mismatch. Meta size: %d", ei.V2Obj.Size)
			}
		} else {
			return err
		}
		if len(b) < 32 {
			return fmt.Errorf("file %s too short", file)
		}
		// Trim hash. Fine for inline data, since only one block.
		b = b[32:]

		set := parityData[data]
		if set == nil {
			set = make(map[int][]byte)
		}
		set[idx] = b

	}
	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
}

	// such a case, is a security issue. Ideally, we should not allow such
	// behavior, but for compatibility with the Console, we currently allow it.
	//
	// TODO:
	//
	// 1. fix console behavior and allow this inheritance for service accounts
	// created before a certain (TBD) future date.
	//
	// 2. do not allow empty statement policies for service accounts.

	return z.s3Peer.HealBucket(ctx, bucket, opts)
}

// Walk a bucket, optionally prefix recursively, until we have returned
// all the contents of the provided bucket+prefix.
// TODO: Note that most errors will result in a truncated listing.
func (z *erasureServerPools) Walk(ctx context.Context, bucket, prefix string, results chan<- ObjectInfo, opts WalkOptions) error {

	// execute the HTTP request.
	response, err = s.client.Do(request)
	c.Assert(err, nil)
	c.Assert(response.StatusCode, http.StatusBadRequest)
	verifyError(c, response, "KeyTooLongError", "Your key is too long", http.StatusBadRequest)

	// make object name as unsupported
	longObjName = fmt.Sprintf("%0256d", 1)
	buffer = bytes.NewReader([]byte("hello world"))

var errLineTooLong = errors.New("header line too long")

// malformed encoding is generated when chunk header is wrongly formed.
var errMalformedEncoding = errors.New("malformed chunked encoding")

// chunk is considered too big if its bigger than > 16MiB.
var errChunkTooBig = errors.New("chunk too big: choose chunk size <= 16MiB")

		{"object", 37},
		{"The Shining Script <v1>.pdf", 38},
		{"Cost Benefit Analysis (2009-2010).pptx", 59},
		{"117Gn8rfHL2ACARPAhaFd0AGzic9pUbIA/5OCn5A", 35},
		{"SHØRT", 49},
		{"There are far too many object names, and far too few bucket names!", 8},
		{"a/b/c/", 159},
		{"/a/b/c", 96},
		{string([]byte{0xff, 0xfe, 0xfd}), 147},
	}

	// Tests hashing order to be consistent.
	for i, testCase := range testCases {

	if !ok {
		if err := store.loadMappedPolicyWithRetry(context.TODO(), name, regUser, false, c.iamUserPolicyMap, 3); err != nil && !errors.Is(err, errNoSuchPolicy) {
			return nil, time.Time{}, err
		}

		mp, ok = c.iamUserPolicyMap.Load(name)
		if !ok {
			// Since user "name" could be a parent user of an STS account, we look up
			// mappings for those too.
			mp, ok = c.iamSTSPolicyMap.Load(name)
			if !ok {