func RequestAndProcessXds(dr *discovery.DiscoveryRequest, centralOpts clioptions.CentralControlPlaneOptions, istioNamespace string, kubeClient kube.CLIClient) (*discovery.DiscoveryResponse, error) {
	responses, err := MultiRequestAndProcessXds(true, dr, centralOpts, istioNamespace,
		istioNamespace, tokenServiceAccount, kubeClient, DefaultOptions)
	if err != nil {
		return nil, err
	}
	return mergeShards(responses)
}