func base64Encode(s string) (string, error) {
	return base64.StdEncoding.EncodeToString([]byte(s)), nil
}
func base64Encode(s string) (string, error) {
	return base64.StdEncoding.EncodeToString([]byte(s)), nil
}
// base64Encode encodes the given value into a string represented as base64.