// nolint: lll
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)
}

	if i >= 0 {
		n = n[:i]
	}
	p := protocol.Parse(n)
	return p == protocol.Unsupported
}

func handleNamespace(istioNamespace string) string {
	if istioNamespace == "" {
		istioNamespace = constants.IstioSystemNamespace
	}
	return istioNamespace
}

// TODO(nmittler): Remove this once Pilot migrates to galley schema.

	"istio.io/istio/istioctl/pkg/util/testutil"
	"istio.io/istio/pkg/config/constants"
)

func TestConfigList(t *testing.T) {
	cases := []testutil.TestCase{
		//{ // case 0
		//	Args:           strings.Split("get istioNamespace", " "),
		//	ExpectedRegexp: regexp.MustCompile("Configure istioctl defaults"),
		//	WantException:  false,
		//},
		{ // case 1
			Args: strings.Split("list", " "),

		return "", "", err
	}

	tmpl := `
istioNamespace: {{.IstioNamespace}}
watchedNamespaces: {{.WatchedNamespaces}}
hub: {{.Hub}}
tag: {{.Tag}}
{{- if .ImagePullSecrets }}
imagePullSecrets:
{{- range .ImagePullSecrets }}
- {{ . }}
{{- end }}
{{- end }}
revision: {{if .Revision }} {{.Revision}} {{else}} "" {{end}}
`

	tv := struct {
		IstioNamespace    string
		WatchedNamespaces string

	tcs := []struct {
		name           string
		istioNamespace string
		webhook        admitv1.MutatingWebhookConfiguration
		whURL          string
		whSVC          string
		whCA           string
		userManaged    bool
	}{
		{
			name:           "webhook-pointing-to-service",
			istioNamespace: "istio-system",
			webhook:        revisionCanonicalWebhook,
			whURL:          "",

apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: istiod{{- if not (eq .Values.revision "")}}-{{ .Values.revision }}{{- end }}
  namespace: {{ .Values.global.istioNamespace }}
  labels:
    app: istiod
    release: {{ .Release.Name }}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: istiod{{- if not (eq .Values.revision "")}}-{{ .Values.revision }}{{- end }}
subjects:
  - kind: ServiceAccount

subjects:
  - kind: ServiceAccount
    name: istiod{{- if not (eq .Values.revision "")}}-{{ .Values.revision }}{{- end }}
    namespace: {{ .Values.global.istioNamespace }}
---
{{- if not (eq (toString .Values.pilot.env.PILOT_ENABLE_GATEWAY_API_DEPLOYMENT_CONTROLLER) "false") }}
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:

				namespace, serviceAccount, kubeClient, multixds.DefaultOptions)
			if err != nil {
				return err
			}
			sw := DebugWriter{
				Writer:                 c.OutOrStdout(),
				InternalDebugAllIstiod: internalDebugAllIstiod,
			}
			newResponse, err := HandlerForDebugErrors(kubeClient, &centralOpts, c.OutOrStdout(), ctx.IstioNamespace(), xdsResponses)
			if err != nil {

subjects:
  - kind: ServiceAccount
    name: istiod{{- if not (eq .Values.revision "")}}-{{ .Values.revision }}{{- end }}
    namespace: {{ .Values.global.istioNamespace }}
---
{{- if not (eq (toString .Values.pilot.env.PILOT_ENABLE_GATEWAY_API_DEPLOYMENT_CONTROLLER) "false") }}
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:

	return r
}

// Namespace returns the namespace flag value.
func (r *RootFlags) Namespace() string {
	return *r.namespace
}

// IstioNamespace returns the istioNamespace flag value.
func (r *RootFlags) IstioNamespace() string {
	return *r.istioNamespace
}

// DefaultNamespace returns the default namespace to use.
func (r *RootFlags) DefaultNamespace() string {
	if r.defaultNamespace == "" {