nset.add(k)
		}
	}

	return nset
}

// NewTargetIDSet - creates new TargetID set with given TargetIDs.
func NewTargetIDSet(targetIDs ...TargetID) TargetIDSet {
	set := make(TargetIDSet)
	for _, targetID := range targetIDs {
		set.add(targetID)
	}
	return set

	for id := range targetIDSet {
		target, ok := list.targets[id]
		if ok {
			target.Close()
			delete(list.targets, id)
		}
	}
}

// Targets - list all targets
func (list *TargetList) Targets() []Target {
	if list == nil {
		return []Target{}
	}

	list.RLock()
	defer list.RUnlock()

	targets := []Target{}
	for _, tgt := range list.targets {
		targets = append(targets, tgt)
	}

)

type ExampleTarget struct {
	id       TargetID
	sendErr  bool
	closeErr bool
}

func (target ExampleTarget) ID() TargetID {
	return target.id
}

// Save - Sends event directly without persisting.
func (target ExampleTarget) Save(eventData Event) error {
	return target.send(eventData)
}

// Store - Returns a nil store.
func (target ExampleTarget) Store() TargetStore {
	return nil
}

	testCases := []struct {
		eventNames     []Name
		pattern        string
		targetID       TargetID
		expectedResult RulesMap
	}{
		{[]Name{ObjectAccessedAll}, "", TargetID{"1", "webhook"}, rulesMapCase1},
		{[]Name{ObjectAccessedAll, ObjectCreatedPut}, "", TargetID{"1", "webhook"}, rulesMapCase2},
		{[]Name{ObjectRemovedDelete}, "2010*.jpg", TargetID{"1", "webhook"}, rulesMapCase3},
	}

		target, ok := list.targets[id]
		if ok {
			target.Close()
			delete(list.targets, id)
		}
	}
}

// Targets - list all targets
func (list *TargetList) Targets() []Target {
	if list == nil {
		return []Target{}
	}

	list.RLock()
	defer list.RUnlock()

	targets := make([]Target, 0, len(list.targets))
	for _, tgt := range list.targets {
		targets = append(targets, tgt)

	"strings"
)

// ARN - SQS resource name representation.
type ARN struct {
	TargetID
	region string
}

// String - returns string representation.
func (arn ARN) String() string {
	if arn.ID == "" && arn.Name == "" && arn.region == "" {
		return ""
	}

	return "arn:minio:sqs:" + arn.region + ":" + arn.TargetID.String()
}

// MarshalXML - encodes to XML data.

import "maps"

// TargetIDSet - Set representation of TargetIDs.
type TargetIDSet map[TargetID]struct{}

// Clone - returns copy of this set.
func (set TargetIDSet) Clone() TargetIDSet {
	setCopy := NewTargetIDSet()
	maps.Copy(setCopy, set)
	return setCopy
}

// add - adds TargetID to the set.
func (set TargetIDSet) add(targetID TargetID) {
	set[targetID] = struct{}{}
}

// Union - returns union with given set as new set.

	auditTotalMessages     = "total_messages"
	targetID               = "target_id"
)

var (
	auditFailedMessagesMD = NewCounterMD(auditFailedMessages,
		"Total number of messages that failed to send since start",
		targetID)
	auditTargetQueueLengthMD = NewGaugeMD(auditTargetQueueLength,
		"Number of unsent messages in queue for target",
		targetID)
	auditTotalMessagesMD = NewCounterMD(auditTotalMessages,

import (
	"strings"
)

// ARN - SQS resource name representation.
type ARN struct {
	TargetID
	region string
}

// String - returns string representation.
func (arn ARN) String() string {
	if arn.ID == "" && arn.Name == "" && arn.region == "" {
		return ""
	}

	return "arn:minio:s3-object-lambda:" + arn.region + ":" + arn.TargetID.String()
}

// ParseARN - parses string to ARN.
func ParseARN(s string) (*ARN, error) {

	}{
		{config1, "eu-west-1", []ARN{{TargetID{"1", "webhook"}, "eu-west-1"}}},
		{config1, "", []ARN{{TargetID{"1", "webhook"}, ""}}},
		{config2, "us-east-1", []ARN{{TargetID{"1", "webhook"}, "us-east-1"}}},
		{config2, "", []ARN{{TargetID{"1", "webhook"}, ""}}},
		{config3, "us-east-1", []ARN{{TargetID{"1", "webhook"}, "us-east-1"}, {TargetID{"2", "amqp"}, "us-east-1"}}},