K   string `json:"k,omitempty"`
}

var (
	errMalformedJWKRSAKey = errors.New("malformed JWK RSA key")
	errMalformedJWKECKey  = errors.New("malformed JWK EC key")
)

// DecodePublicKey - decodes JSON Web Key (JWK) as public key
func (key *JWKS) DecodePublicKey() (crypto.PublicKey, error) {
	switch key.Kty {
	case "RSA":
		if key.N == "" || key.E == "" {
			return nil, errMalformedJWKRSAKey
		}

	if !t.set {
		return nil
	}
	type transitionWrapper Transition
	return enc.EncodeElement(transitionWrapper(t), start)
}

// UnmarshalXML decodes transition field from the XML form.
func (t *Transition) UnmarshalXML(d *xml.Decoder, startElement xml.StartElement) error {
	type transitionWrapper Transition
	var trw transitionWrapper

				return err
			}
		}
	}

	return e.EncodeToken(xml.EndElement{Name: start.Name})
}

// UnmarshalXML - decodes XML data.
func (f *Filter) UnmarshalXML(d *xml.Decoder, start xml.StartElement) (err error) {
	f.set = true
	for {
		// Read tokens from the XML document in a stream.
		t, err := d.Token()
		if err != nil {

	set    bool
	Unused struct{} // Needed for GOB compatibility
}

// UnmarshalXML - decodes XML data.
func (p *Prefix) UnmarshalXML(d *xml.Decoder, start xml.StartElement) (err error) {
	var s string
	if err = d.DecodeElement(&s, &start); err != nil {
		return err
	}
	*p = Prefix{string: s, set: true}
	return nil
}

// MarshalXML - decodes XML data.
func (p Prefix) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {

	if filter.isEmpty() {
		return nil
	}
	type filterRuleWrapper FilterRule
	return e.EncodeElement(filterRuleWrapper(filter), start)
}

// UnmarshalXML - decodes XML data.
func (filter *FilterRule) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
	// Make subtype to avoid recursive UnmarshalXML().
	type filterRule FilterRule
	rule := filterRule{}

	if d.IsEmpty() {
		return errDeleteReplicationMissing
	}
	if d.Status != Disabled && d.Status != Enabled {
		return errInvalidDeleteReplicationStatus
	}
	return nil
}

// UnmarshalXML - decodes XML data.
func (d *DeleteReplication) UnmarshalXML(dec *xml.Decoder, start xml.StartElement) (err error) {
	// Make subtype to avoid recursive UnmarshalXML().
	type deleteReplication DeleteReplication
	drep := deleteReplication{}

	errInvalidTagValue = Errorf("The TagValue you have provided is invalid")

	errDuplicatedXMLTag = Errorf("duplicated XML Tag")
	errUnknownXMLTag    = Errorf("unknown XML Tag")
)

// UnmarshalXML - decodes XML data.
func (tag *Tag) UnmarshalXML(d *xml.Decoder, start xml.StartElement) (err error) {
	var keyAlreadyParsed, valueAlreadyParsed bool
	for {
		// Read tokens from the XML document in a stream.
		t, err := d.Token()

	}

	client := &http.Client{Transport: a.Transport}
	resp, err := client.Do(req)
	if err != nil {
		return err
	}
	defer a.CloseRespFn(resp.Body)

	return nil
}

// UnmarshalJSON - decodes JSON data.
func (a *Args) UnmarshalJSON(data []byte) error {
	// subtype to avoid recursive call to UnmarshalJSON()
	type subArgs Args
	var so subArgs

	if err := json.Unmarshal(data, &so); err != nil {
		return err

// out of HTTP "chunked" format before returning it.
// The s3ChunkedReader returns io.EOF when the final 0-length chunk is read.
//
// NewChunkedReader is not needed by normal applications. The http package
// automatically decodes chunking when reading response bodies.
func newSignV4ChunkedReader(req *http.Request, trailer bool) (io.ReadCloser, APIErrorCode) {
	cred, seedSignature, region, seedDate, errCode := calculateSeedSignature(req, trailer)

			}
			// Send new ping.
			gridLogIf(m.ctx, m.send(message{Op: OpPing, MuxID: m.MuxID}))
		}
	}
}

// responseCh is the channel to that goes to the requester.
// internalResp is the channel that comes from the server.
func (m *muxClient) handleTwowayResponses(responseCh chan<- Response, internalResp <-chan Response) {
	defer m.parent.deleteMux(false, m.MuxID)
	defer xioutil.SafeClose(responseCh)