parsedListeners := parse(listeners)
	if parsedListeners == nil {
		return
	}

	actionToPolicy := map[rbacpb.RBAC_Action]map[string]struct{}{}
	policyToRule := map[string]map[string]struct{}{}

	addPolicy := func(action rbacpb.RBAC_Action, name string, rule string) {
		if actionToPolicy[action] == nil {
			actionToPolicy[action] = map[string]struct{}{}
		}
		if policyToRule[name] == nil {