commandsTree := trie.NewTrie()

	// registerCommand registers a cli command.
	registerCommand := func(command cli.Command) {
		commands = append(commands, command)
		commandsTree.Insert(command.Name)
	}

	findClosestCommands := func(command string) []string {
		var closestCommands []string
		closestCommands = append(closestCommands, commandsTree.PrefixMatch(command)...)

	"istio.io/istio/istioctl/pkg/cli"
)

// OperatorCmd is a group of commands related to installation and management of the operator controller.
func OperatorCmd(ctx cli.Context) *cobra.Command {
	oc := &cobra.Command{
		Use:   "operator",
		Short: "Commands related to Istio operator controller.",
		Long:  "The operator command installs, dumps, removes and shows the status of the operator controller.",
	}

import (
	"github.com/spf13/cobra"

	"istio.io/istio/istioctl/pkg/cli"
)

// ProfileCmd is a group of commands related to profile listing, dumping and diffing.
func ProfileCmd(_ cli.Context) *cobra.Command {
	pc := &cobra.Command{
		Use:   "profile",
		Short: "Commands related to Istio configuration profiles",
		Long:  "The profile command lists, dumps or diffs Istio configuration profiles.",
		Example: "istioctl profile list\n" +

	DryRun bool
}

func addFlags(cmd *cobra.Command, rootArgs *RootArgs) {
	cmd.PersistentFlags().BoolVarP(&rootArgs.DryRun, "dry-run", "",
		false, "Console/log output only, make no changes.")
}

// GetRootCmd returns the root of the cobra command-tree.
func GetRootCmd(ctx cli.Context, args []string) *cobra.Command {
	rootCmd := &cobra.Command{
		Use:          "mesh",
		Short:        "Command line Istio install utility.",

)

var configDumpFile string

func checkCmd(ctx cli.Context) *cobra.Command {
	cmd := &cobra.Command{
		Use:   "check [<type>/]<name>[.<namespace>]",
		Short: "Check AuthorizationPolicy applied in the pod.",
		Long: `Check prints the AuthorizationPolicy applied to a pod by directly checking
the Envoy configuration of the pod. The command is especially useful for inspecting

)

func Cmd(ctx cli.Context) *cobra.Command {
	adminCmd := &cobra.Command{
		Use:   "admin",
		Short: "Manage control plane (istiod) configuration",
		Long:  "A group of commands used to manage istiod configuration",
		Example: `  # Retrieve information about istiod configuration.
  istioctl admin log`,
		Aliases: []string{"istiod"},
		Args: func(cmd *cobra.Command, args []string) error {
			if len(args) != 0 {

func Execute(cmd string, args ...string) error {
	log.Debugf("Running command: %s %s", cmd, strings.Join(args, " "))
	externalCommand := exec.Command(cmd, args...)
	stdout := &bytes.Buffer{}
	stderr := &bytes.Buffer{}
	externalCommand.Stdout = stdout
	externalCommand.Stderr = stderr

	err := externalCommand.Run()

	if len(stdout.String()) != 0 {
		log.Debugf("Command output: \n%v", stdout.String())
	}

      Runnable command, long initialDelay, long period, TimeUnit unit) {
    return delegate.scheduleAtFixedRate(wrapTask(command), initialDelay, period, unit);
  }

  @Override
  public final ScheduledFuture<?> scheduleWithFixedDelay(
      Runnable command, long initialDelay, long delay, TimeUnit unit) {
    return delegate.scheduleWithFixedDelay(wrapTask(command), initialDelay, delay, unit);
  }

}

func optionsCommand(rootCmd *cobra.Command) *cobra.Command {
	retval := &cobra.Command{
		Use:   "options",
		Short: "Displays istioctl global options",
		Args:  cobra.ExactArgs(0),
	}

	retval.SetHelpFunc(func(c *cobra.Command, args []string) {
		c.Printf("The following options can be passed to any command:\n")
		// (Currently the only global options we show are help options)

}

// Cmd represents the config subcommand command
func Cmd() *cobra.Command {
	configCmd := &cobra.Command{
		Use:   "config SUBCOMMAND",
		Short: "Configure istioctl defaults",
		Args:  cobra.NoArgs,
		Example: `  # list configuration parameters
  istioctl experimental config list`,
	}
	configCmd.AddCommand(listCommand())
	return configCmd
}

func listCommand() *cobra.Command {
	listCmd := &cobra.Command{
		Use:   "list",