transport:        openIDClientTransport,
		closeRespFn:      closeRespFn,
	}

	seenClientIDs := set.NewStringSet()

	deprecatedKeys := []string{JwksURL}

	// remove this since we have removed support for this already.
	for k := range s[config.IdentityOpenIDSubSys] {
		for _, dk := range deprecatedKeys {
			kvs := s[config.IdentityOpenIDSubSys][k]
			kvs.Delete(dk)
			s[config.IdentityOpenIDSubSys][k] = kvs
		}

		// Get credential information from the request.
		cred, owner, s3Err = getReqAccessKeyV4(r, region, serviceS3)
		if s3Err != ErrNone {
			return cred, owner, s3Err
		}

		// we only support V4 (no presign) with auth body
		s3Err = isReqAuthenticated(ctx, r, region, serviceS3)
	}
	if s3Err != ErrNone {
		return cred, owner, s3Err
	}

	logger.GetReqInfo(ctx).Cred = cred

			return errors.New("parquet format parsing not enabled on server")
		}
		if offset != 0 || length != -1 {
			// Offsets do not make sense in parquet files.
			return errors.New("parquet format does not support offsets")
		}
		var err error
		s3Select.recordReader, err = parquet.NewParquetReader(rsc, &s3Select.Input.ParquetArgs)
		return err
	}

	return fmt.Errorf("unknown input format '%v'", s3Select.Input.format)

// 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   = "%"
)

	EnvElasticPassword   = "MINIO_NOTIFY_ELASTICSEARCH_PASSWORD"
)

// ESSupportStatus is a typed string representing the support status for
// Elasticsearch
type ESSupportStatus string

const (
	// ESSUnknown is default value
	ESSUnknown ESSupportStatus = "ESSUnknown"
	// ESSDeprecated -> support will be removed in future
	ESSDeprecated ESSupportStatus = "ESSDeprecated"
	// ESSUnsupported -> we won't work with this ES server

	{"BETWEEN_64_KB_AND_256_KB", 64 * humanize.KiByte, 256*humanize.KiByte - 1},   // not exported, for support use only
	{"BETWEEN_256_KB_AND_512_KB", 256 * humanize.KiByte, 512*humanize.KiByte - 1}, // not exported, for support use only
	{"BETWEEN_512_KB_AND_1_MB", 512 * humanize.KiByte, humanize.MiByte - 1},       // not exported, for support use only

		return nil
	}

	if cancel := r.cancel; cancel != nil {
		// cancel != nil only on pool leaders
		r.cancel = nil
		cancel()
	}
	return nil
}

// for rebalance trace support
type rebalanceMetrics struct{}

var globalRebalanceMetrics rebalanceMetrics

//go:generate stringer -type=rebalanceMetric -trimprefix=rebalanceMetric $GOFILE
type rebalanceMetric uint8

const (

}

// Represents the V2 backend disk structure version
// under `.minio.sys` and actual data namespace.
// formatErasureV2 - structure holds format config version '2'.
// The V2 format to support "large bucket" support where a bucket
// can span multiple erasure sets.
type formatErasureV2 struct {
	formatMetaV1
	Erasure struct {
		Version string `json:"version"` // Version of 'xl' format.

			Key:             config.IdentityOpenIDSubSys,
			Description:     "enable OpenID SSO support",
			MultipleTargets: true,
		},
		config.HelpKV{
			Key:         config.IdentityLDAPSubSys,
			Description: "enable LDAP SSO support",
		},
		config.HelpKV{
			Key:         config.IdentityTLSSubSys,
			Description: "enable X.509 TLS certificate SSO support",
		},
		config.HelpKV{
			Key:         config.IdentityPluginSubSys,

			},
			want:   1,
			wantOK: true,
		},
		{
			name: "scientific",
			fields: fields{
				value: []byte("3e5"),
			},
			want:   0,
			wantOK: false,
		},
		{
			// No support for prefixes
			name: "hex",
			fields: fields{
				value: []byte("0xff"),
			},
			want:   0,
			wantOK: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {