func (lc Lifecycle) HasTransition() bool {
	for _, rule := range lc.Rules {
		if rule.Transition.IsEnabled() {
			return true
		}
	}
	return false
}

// HasExpiry returns 'true' if lifecycle document has Expiry enabled.
func (lc Lifecycle) HasExpiry() bool {
	for _, rule := range lc.Rules {
		if !rule.Expiration.IsNull() || !rule.NoncurrentVersionExpiration.IsNull() {
			return true
		}
	}
	return false
}