ns string, serviceAccount string, kubeClient kube.CLIClient, options Options,
) (map[string]*discovery.DiscoveryResponse, error) {
	// If Central Istiod case, just call it
	if ns == "" {
		ns = istioNamespace
	}
	if ns == istioNamespace {
		serviceAccount = tokenServiceAccount
	}
	if centralOpts.Xds != "" {