// The extended form disables evaluation of . and .. path
	// elements and disables the interpretation of / as equivalent
	// to \. The conversion here rewrites / to \ and elides
	// . elements as well as trailing or duplicate separators. For
	// simplicity it avoids the conversion entirely for relative
	// paths or paths containing .. elements. For now,
	// \\server\share paths are not converted to

			return err
		}
	}

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

// Validate - validates the filter element
func (f Filter) Validate() error {
	// A Filter must have exactly one of Prefix, Tag, or And specified.
	if !f.And.isEmpty() {
		if f.Prefix != "" {
			return errInvalidFilter
		}
		if !f.Tag.IsEmpty() {

			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
	}

	// If false, generic defaults will be used. This is useful when generating once and then applying later.
	EnableClusterSpecific bool

	// Set is a string with element format "path=value" where path is an IstioOperator path and the value is a
	// value to set the node at that path to.
	Set []string
	// Force proceeds even if there are validation errors
	Force bool

	i := len(dirPath)
	for i > 0 && os.IsPathSeparator(dirPath[i-1]) { // Skip trailing path separator.
		i--
	}

	j := i
	for j > 0 && !os.IsPathSeparator(dirPath[j-1]) { // Scan backward over element.
		j--
	}

	if j > 1 {
		// Create parent.
		if err := osMkdirAll(dirPath[:j-1], perm, baseDir); err != nil {
			return err
		}
	}

	// Parent now exists; invoke Mkdir and use its result.

		if _, ok := query[v4PresignQueryParam]; !ok {
			return ErrInvalidQueryParams
		}
	}
	return ErrNone
}

// Parses all the presigned signature values into separate elements.
func parsePreSignV4(query url.Values, region string, stype serviceType) (psv preSignValues, aec APIErrorCode) {
	// verify whether the required query params exist.
	aec = doesV4PresignParamsExist(query)
	if aec != ErrNone {

		m["range"] = rangeField
	}

	if _, ok := r.Header[xhttp.MinIOSourceReplicationRequest]; ok {
		m[xhttp.MinIOSourceReplicationRequest] = ""
	}
	return m
}

// Extract response elements to be sent with event notification.
func extractRespElements(w http.ResponseWriter) map[string]string {
	if w == nil {
		return map[string]string{}
	}
	return map[string]string{

	}

	var off, length int64
	off, length, err = rs.GetOffsetLength(decObjSize)
	if err != nil {
		return
	}

	// At this point, we have:
	//
	// 1. the decrypted part sizes in `sizes` (single element for
	//    single part object) and total decrypted object size `decObjSize`
	//
	// 2. the (decrypted) start offset `off` and (decrypted)
	//    length to read `length`
	//

	}
	dst.Reset()
	elems, err := r.object.Parse(nil)
	if err != nil {
		return nil, err
	}
	if cap(dst.KVS) < len(elems.Elements) {
		dst.KVS = make(jstream.KVS, 0, len(elems.Elements))
	}
	for _, elem := range elems.Elements {
		v, err := sql.IterToValue(elem.Iter)
		if err != nil {
			v, err = elem.Iter.Interface()
			if err != nil {
				panic(err)
			}
		}

		}

	case p[0].ArrayWildcard:
		arr, ok := v.([]interface{})
		if !ok {
			return nil, false, errWildcardArrayLookup
		}

		// Lookup remainder of path in each array element and
		// make result array.
		var result []interface{}
		for _, a := range arr {
			rval, flatten, err := jsonpathEval(p[1:], a)
			if err != nil {
				return nil, false, err
			}

			if flatten {