return nil
}

// ContainsDuplicateTag - returns true if duplicate keys are present in And
func (a And) ContainsDuplicateTag() bool {
	x := make(map[string]struct{}, len(a.Tags))

	for _, t := range a.Tags {
		if _, has := x[t.Key]; has {
			return true
		}
		x[t.Key] = struct{}{}
	}

	return false

		k.reqFail.Add(1)
	} else {
		k.reqErr.Add(1)
	}
}

type kmsConn struct {
	endpoints  []string
	enclave    string
	defaultKey string
	client     *kms.Client
}

func (c *kmsConn) Version(ctx context.Context) (string, error) {
	resp, err := c.client.Version(ctx, &kms.VersionRequest{})
	if len(resp) == 0 && err != nil {
		return "", err
	}

	var x [1]struct{}
	_ = x[invalidVersionType-0]
	_ = x[ObjectType-1]
	_ = x[DeleteType-2]
	_ = x[LegacyType-3]
	_ = x[lastVersionType-4]
}

const _VersionType_name = "invalidVersionTypeObjectTypeDeleteTypeLegacyTypelastVersionType"

var _VersionType_index = [...]uint8{0, 18, 28, 38, 48, 63}

func (i VersionType) String() string {
	if i >= VersionType(len(_VersionType_index)-1) {

		}
	}
}

var containsReservedMetadataTests = []struct {
	header     http.Header
	shouldFail bool
}{
	{
		header: http.Header{"X-Minio-Key": []string{"value"}},
	},
	{
		header:     http.Header{crypto.MetaIV: []string{"iv"}},
		shouldFail: false,
	},
	{
		header:     http.Header{crypto.MetaAlgorithm: []string{crypto.InsecureSealAlgorithm}},
		shouldFail: false,
	},
	{

// MySQLArgs - MySQL target arguments.
type MySQLArgs struct {
	Enable             bool     `json:"enable"`
	Format             string   `json:"format"`
	DSN                string   `json:"dsnString"`
	Table              string   `json:"table"`
	Host               xnet.URL `json:"host"`
	Port               string   `json:"port"`
	User               string   `json:"user"`
	Password           string   `json:"password"`

// RStat has replication error stats
type RStat struct {
	Count int64 `json:"count"`
	Bytes int64 `json:"bytes"`
}

// RTimedMetrics has replication error stats for various time windows
type RTimedMetrics struct {
	LastHour    ReplicationLastHour `json:"lastHour"`
	SinceUptime RStat               `json:"sinceUptime"`
	LastMinute  ReplicationLastMinute
	// Error counts
	ErrCounts map[string]int `json:"errCounts"` // Count of credential errors

type ReqInfo struct {
	RemoteHost   string           // Client Host/IP
	Host         string           // Node Host/IP
	UserAgent    string           // User Agent
	DeploymentID string           // x-minio-deployment-id
	RequestID    string           // x-amz-request-id
	API          string           // API name - GetObject PutObject NewMultipartUpload etc.

	type IndexTest struct {
		FieldA string `gorm:"unique;index"` // unique and index
		FieldB string `gorm:"unique"`       // unique

		FieldC string `gorm:"index:,unique"`     // uniqueIndex
		FieldD string `gorm:"uniqueIndex;index"` // uniqueIndex and index

		FieldE1 string `gorm:"uniqueIndex:uniq_field_e1_e2"` // mul uniqueIndex
		FieldE2 string `gorm:"uniqueIndex:uniq_field_e1_e2"`

)

// MQTTArgs - MQTT target arguments.
type MQTTArgs struct {
	Enable               bool           `json:"enable"`
	Broker               xnet.URL       `json:"broker"`
	Topic                string         `json:"topic"`
	QoS                  byte           `json:"qos"`
	User                 string         `json:"username"`
	Password             string         `json:"password"`

		var buf bytes.Buffer
		for _, t := range r.Filter.And.Tags {
			if buf.Len() > 0 {
				buf.WriteString("&")
			}
			buf.WriteString(t.String())
		}
		return buf.String()
	}
	return ""
}

// Validate - validates the rule element
func (r Rule) Validate(bucket string, sameTarget bool) error {
	if err := r.validateID(); err != nil {
		return err
	}
	if err := r.validateStatus(); err != nil {
		return err