RuleMonthWeekDay = RuleKind(ruleMonthWeekDay)
	UnixToInternal   = unixToInternal
)

type Rule struct {
	Kind RuleKind
	Day  int
	Week int
	Mon  int
	Time int
}

func TzsetRule(s string) (Rule, string, bool) {
	r, rs, ok := tzsetRule(s)
	rr := Rule{
		Kind: RuleKind(r.kind),
		Day:  r.day,
		Week: r.week,
		Mon:  r.mon,
		Time: r.time,
	}
	return rr, rs, ok
}