func TestARNString(t *testing.T) {
	testCases := []struct {
		arn            ARN
		expectedResult string
	}{
		{ARN{}, ""},
		{ARN{TargetID{"1", "webhook"}, ""}, "arn:minio:s3-object-lambda::1:webhook"},
		{ARN{TargetID{"1", "webhook"}, "us-east-1"}, "arn:minio:s3-object-lambda:us-east-1:1:webhook"},
	}

	for i, testCase := range testCases {
		result := testCase.arn.String()

		if result != testCase.expectedResult {

	defer r.RUnlock()

	brs, ok := r.Cache[bucket]
	if !ok {
		return qs
	}
	for arn := range brs.Stats {
		qs.TgtXferStats[arn] = make(map[RMetricName]XferStats)
	}
	count := 0
	var totPeak float64
	// calculate large, small transfers and total transfer rates per replication target at bucket level
	for arn, v := range brs.Stats {
		lcurrTgt := v.XferRateLrg.curr()
		scurrTgt := v.XferRateSml.curr()

	ID   string
	Name string
}

// String - returns string representation.
func (tid TargetID) String() string {
	return tid.ID + ":" + tid.Name
}

// ToARN - converts to ARN.
func (tid TargetID) ToARN(region string) ARN {
	return ARN{TargetID: tid, region: region}
}

// MarshalJSON - encodes to JSON data.
func (tid TargetID) MarshalJSON() ([]byte, error) {
	return json.Marshal(tid.String())
}

	RedirectURIDynamic bool
	DiscoveryDoc       DiscoveryDoc
	ClientID           string
	ClientSecret       string
	RolePolicy         string
	UserReadableClaim  string
	UserIDClaim        string

	roleArn  arn.ARN
	provider provider.Provider
}

func newProviderCfgFromConfig(getCfgVal func(cfgName string) string) providerCfg {
	return providerCfg{
		DisplayName:        getCfgVal(DisplayName),

		ClientSecret: "WNGvKVyyNmXq0TraSvjaDN9CtpFgx35IXtGEffMCPR0",
	}
	provider.JWKS.URL = u1
	cfg := Config{
		Enabled: true,
		pubKeys: pubKeys,
		arnProviderCfgsMap: map[arn.ARN]*providerCfg{
			DummyRoleARN: &provider,
		},
		ProviderCfgs: map[string]*providerCfg{
			"1": &provider,
		},
		closeRespFn: func(rc io.ReadCloser) {
			rc.Close()
		},
	}

}

// ErrARNNotFound - ARN not found error.
type ErrARNNotFound struct {
	ARN ARN
}

func (err ErrARNNotFound) Error() string {
	return fmt.Sprintf("ARN '%v' not found", err.ARN)
}

// ErrInvalidARN - invalid ARN error.
type ErrInvalidARN struct {
	ARN string
}

func (err ErrInvalidARN) Error() string {
	return fmt.Sprintf("invalid ARN '%v'", err.ARN)

// Lookup - checks whether target by target ID exists is valid or not.
func (list *TargetList) Lookup(arnStr string) (Target, error) {
	list.RLock()
	defer list.RUnlock()

	arn, err := ParseARN(arnStr)
	if err != nil {
		return nil, err
	}

	id, found := list.targets[arn.TargetID]
	if !found {
		return nil, &ErrARNNotFound{}
	}
	return id, nil
}

// TargetIDResult returns result of Remove/Send operation, sets err if

}

func (d Destination) String() string {
	return d.ARN
}

// LegacyArn returns true if arn format has prefix "arn:aws:s3:::" which was
// used prior to multi-destination
func (d Destination) LegacyArn() bool {
	return strings.HasPrefix(d.ARN, DestinationARNPrefix)
}

// TargetArn returns true if arn format has prefix  "arn:minio:replication:::"
// used for multi-destination targets

	pk.RLock()
	defer pk.RUnlock()
	return pk.pkMap[kid]
}

// PopulatePublicKey - populates a new publickey from the JWKS URL.
func (r *Config) PopulatePublicKey(arn arn.ARN) error {
	pCfg := r.arnProviderCfgsMap[arn]
	if pCfg.JWKS.URL == nil || pCfg.JWKS.URL.String() == "" {
		return nil
	}

	// Add client secret for the client ID for HMAC based signature.

```

> NOTE: In the following commands `--role-arn` and `--role-session-name` are not meaningful for MinIO and can be set to any value satisfying the command line requirements.

```
$ aws --profile foobar --endpoint-url http://localhost:9000 sts assume-role --policy '{"Version":"2012-10-17","Statement":[{"Sid":"Stmt1","Effect":"Allow","Action":"s3:*","Resource":"arn:aws:s3:::*"}]}' --role-arn arn:xxx:xxx:xxx:xxxx --role-session-name anything
{