# Retrieve sync diff for a single Envoy and Istiod
  istioctl x internal-debug syncz istio-egressgateway-59585c5b9c-ndc59.istio-system

  # SECURITY OPTIONS

  # Retrieve syncz debug information directly from the control plane, using token security
  # (This is the usual way to get the debug information with an out-of-cluster control plane.)
  istioctl x internal-debug syncz --xds-address istio.cloudprovider.example.com:15012

  # Retrieve sync diff for a single Envoy and Istiod
  istioctl proxy-status istio-egressgateway-59585c5b9c-ndc59.istio-system

  # SECURITY OPTIONS

  # Retrieve proxy status information directly from the control plane, using token security
  # (This is the usual way to get the proxy-status with an out-of-cluster control plane.)
  istioctl ps --xds-address istio.cloudprovider.example.com:15012

}

// ObjectVersion object version key/versionId
type ObjectVersion struct {
	ObjectName string
	VersionID  string `json:"VersionId,omitempty"`
}

// ReqInfo stores the request info.
// Reading/writing directly to struct requires appropriate R/W lock.
type ReqInfo struct {
	RemoteHost   string           // Client Host/IP
	Host         string           // Node Host/IP
	UserAgent    string           // User Agent

			return err
		}
		if err := centralOpts.ValidateControlPlaneFlags(); err != nil {
			return err
		}
		return nil
	}
	versionCmd.Example = `  # Retrieve version information directly from the control plane, using token security
  # (This is the usual way to get the control plane version with an out-of-cluster control plane.)
  istioctl x version --xds-address istio.cloudprovider.example.com:15012

		msg, tagString, strings.Join(trace, "\n"))

	fmt.Fprintln(c.output, output)
	return nil
}

// New initializes a new logger target
// which prints log directly in the standard
// output.
func New(w io.Writer) *Target {
	return &Target{output: w}

	msg.setZeroPayloadFlag()
	if m.subroute != nil {
		msg.Flags |= FlagSubroute
	}

	// Send...
	err := m.send(msg)
	if err != nil {
		out <- Response{Err: err}
		return
	}

	// Route directly to output.
	m.respWait = out
}

// RequestStream will send a single payload request and stream back results.
// 'requests' can be nil, in which case only req is sent as input.

			break
		}
	}
	return responses, nil
}

// queryDebugSynczViaAgents sends a debug/syncz xDS request via Istio Agents.
// By this way, even if istioctl cannot access a specific `istiod` instance directly,
// `istioctl` can access the debug endpoint.
// If `all` is true, `queryDebugSynczViaAgents` iterates all the pod having a proxy
// except the pods of which status information is already queried.

				update = false
				if isArrayKind {
					db.Statement.ReflectValue.Set(reflect.Zero(reflectValue.Type()))
				} else {
					// if the slice cap is externally initialized, the externally initialized slice is directly used here
					if reflectValue.Cap() == 0 {
						db.Statement.ReflectValue.Set(reflect.MakeSlice(reflectValue.Type(), 0, 20))
					} else {
						reflectValue.SetLen(0)
						db.Statement.ReflectValue.Set(reflectValue)

		d.tracker.logSuccess()
	}
	return n, err
}

// diskHealthReader provides a wrapper that will update disk health on
// ctx, on every successful read.
// This should only be used directly at the os/syscall level,
// otherwise buffered operations may return false health checks.
func diskHealthReader(ctx context.Context, r io.Reader) io.Reader {
	// Check if context has a disk health check.

	writeResponse(w, err.HTTPStatusCode, encodedErrorResponse, mimeJSON)
}

// writeCustomErrorResponseJSON - similar to writeErrorResponseJSON,
// but accepts the error message directly (this allows messages to be
// dynamically generated.)
func writeCustomErrorResponseJSON(ctx context.Context, w http.ResponseWriter, err APIError,
	errBody string, reqURL *url.URL,
) {