RulesFor(subject user.Info, namespace string) ([]rbacv1.PolicyRule, error)

	// VisitRulesFor invokes visitor() with each rule that applies to a given user in a given namespace,
	// and each error encountered resolving those rules. Rule may be nil if err is non-nil.
	// If visitor() returns false, visiting is short-circuited.
	VisitRulesFor(user user.Info, namespace string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool)

	RulesFor(user user.Info, namespace string) ([]rbacv1.PolicyRule, error)

	// VisitRulesFor invokes visitor() with each rule that applies to a given user in a given namespace, and each error encountered resolving those rules.
	// If visitor() returns false, visiting is short-circuited.
	VisitRulesFor(user user.Info, namespace string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool)
}