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package storage
import (	"errors"	"net/url"	"time"
	"github.com/ije/gox/utils")
var (	ErrNotFound = errors.New("not found")	ErrExpired  = errors.New("record is expired"))
func parseConfigUrl(configUrl string) (root string, options url.Values, err error) {	root, query := utils.SplitByFirstByte(configUrl, '?')	if query != "" {		options, err = url.ParseQuery(query)		if err != nil {			return root, nil, err		}	}	return root, options, nil}
func parseDurationValue(str string, defaultValue time.Duration) (time.Duration, error) {	if str != "" {		return time.ParseDuration(str)	}	return defaultValue, nil}