defer r.Unlock()
	// Search of tag key already exists in tags
	var updated bool
	for _, tag := range r.tags {
		if tag.Key == key {
			tag.Val = val
			updated = true
			break
		}
	}
	if !updated {
		// Append to the end of tags list
		r.tags = append(r.tags, KeyVal{key, val})
	}
	return r
}

// GetTags - returns the user defined tags
func (r *ReqInfo) GetTags() []KeyVal {
	if r == nil {

		}
	}
	return err
}

// TestTags tests if the object tags satisfy the Filter tags requirement,
// it returns true if there is no tags in the underlying Filter.
func (f Filter) TestTags(userTags string) bool {
	if f.cachedTags == nil {
		cache := make(map[string]string)
		for _, t := range append(f.And.Tags, f.Tag) {
			if !t.IsEmpty() {
				cache[t.Key] = t.Value
			}
		}

		}

		if len(r.Flags.Filter.Tags) > 0 {
			// Only parse object tags if tags filter is specified.
			tagMap := map[string]string{}
			tagStr := info.Metadata[xhttp.AmzObjectTagging]
			if len(tagStr) != 0 {
				t, err := tags.ParseObjectTags(tagStr)
				if err != nil {
					return false
				}
				tagMap = t.ToMap()
			}

			for _, kv := range r.Flags.Filter.Tags {
				for t, v := range tagMap {

	)
	tags := make(map[string]interface{}, 5)
	if src > lcEventSrc_None {
		tags[ilmSrc] = src.String()
	}
	tags[ilmAction] = event.Action.String()
	tags[ilmRuleID] = event.RuleID

	if !event.Due.IsZero() {
		tags[ilmDue] = event.Due
	}

	// rule with Transition/NoncurrentVersionTransition in effect
	if event.StorageClass != "" {
		tags[ilmTier] = event.StorageClass
	}

		return false
	}

	if len(ef.Tags) > 0 && !obj.DeleteMarker {
		// Only parse object tags if tags filter is specified.
		var tagMap map[string]string
		if len(obj.UserTags) != 0 {
			t, err := tags.ParseObjectTags(obj.UserTags)
			if err != nil {
				return false
			}
			tagMap = t.ToMap()
		}

		for _, kv := range ef.Tags {
			// Object (version) must match all tags specified in
			// the filter

	chacha20Poly1305ID = "******@****.***"
	gcm256CipherID     = "******@****.***"
	aes128cbcID        = "aes128-cbc"
	tripledescbcID     = "3des-cbc"
)

// https://cs.opensource.google/go/x/crypto/+/refs/tags/v0.22.0:ssh/common.go;l=46
// preferredKexAlgos specifies the default preference for key-exchange
// algorithms in preference order. The diffie-hellman-group16-sha512 algorithm

			References: []Reference{
				{"ID", "Blog", "BlogID", "blog_tags", "", true},
				{"Locale", "Blog", "BlogLocale", "blog_tags", "", true},
				{"ID", "Tag", "TagID", "blog_tags", "", false},
				{"Locale", "Tag", "TagLocale", "blog_tags", "", false},
			},
		},
		Relation{
			Name: "SharedTags", Type: schema.Many2Many, Schema: "Blog", FieldSchema: "Tag",

			objInfo.Expires = t.UTC()
		}
	}

	// Extract etag from metadata.
	objInfo.ETag = extractETag(fi.Metadata)

	// Add user tags to the object info
	tags := fi.Metadata[xhttp.AmzObjectTagging]
	if len(tags) != 0 {
		objInfo.UserTags = tags
	}

	// Add replication status to the object info
	objInfo.ReplicationStatusInternal = fi.ReplicationState.ReplicationStatusInternal

			if !stringsHasPrefixFold(v.Name, "x-amz-meta") {
				meta["x-amz-meta-"+v.Name] = v.Value
				continue
			}
			meta[v.Name] = v.Value
		}
		if tags := rreq.OutputLocation.S3.Tagging.String(); tags != "" {
			meta[xhttp.AmzObjectTagging] = tags
		}
		if rreq.OutputLocation.S3.Encryption.EncryptionType != "" {
			meta[xhttp.AmzServerSideEncryption] = xhttp.AmzEncryptionAES
		}
		return ObjectOptions{

		return p
	}
	return ""
}

// Tags - a rule can either have tag under <filter></filter> or under
// <filter><and></and></filter>. This method returns all the tags from the
// rule in the format tag1=value1&tag2=value2
func (r Rule) Tags() string {
	if !r.Filter.Tag.IsEmpty() {
		return r.Filter.Tag.String()
	}
	if len(r.Filter.And.Tags) != 0 {
		var buf bytes.Buffer