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)...)

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 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())
	}

#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
#         * compound commands having a testable exit status, especially «case»;
#         * various built-in commands including «command», «set», and «ulimit».
#
#   Important for patching:
#
#   (2) This script targets any POSIX shell, so it avoids extensions provided
#       by Bash, Ksh, etc; in particular arrays are avoided.
#

  exit 1
fi

# Gets the download command supported by the system (currently either curl or wget)
DOWNLOAD_COMMAND=""
function set_download_command () {
  # Try curl.
  if command -v curl > /dev/null; then
    if curl --version | grep Protocols  | grep https > /dev/null; then
      DOWNLOAD_COMMAND="curl -fLSs --retry 5 --retry-delay 1 --retry-connrefused"
      return
    fi

	manifestsPath string
}

func addProfileDiffFlags(cmd *cobra.Command, args *profileDiffArgs) {
	cmd.PersistentFlags().StringVarP(&args.manifestsPath, "charts", "", "", ChartsDeprecatedStr)
	cmd.PersistentFlags().StringVarP(&args.manifestsPath, "manifests", "d", "", ManifestsFlagHelpStr)
}

func profileDiffCmd(pfArgs *profileDiffArgs) *cobra.Command {
	return &cobra.Command{
		Use:   "diff <profile|file1.yaml> <profile|file2.yaml>",

					"config_distribution?resource=VirtualService/default/bookinfo")
			}
		}
	}
	return nil, nil
}

func DebugCommand(ctx cli.Context) *cobra.Command {
	var opts clioptions.ControlPlaneOptions
	var centralOpts clioptions.CentralControlPlaneOptions

	debugCommand := &cobra.Command{
		Use:   "internal-debug [<type>/]<name>[.<namespace>]",
		Short: "Retrieves the debug information of istio",
		Long: `

    fromAddress: InetAddress,
    fromSource: BufferedSource,
    fromSink: BufferedSink,
  ) {
    // Read the command.
    val version = fromSource.readByte() and 0xff
    if (version != VERSION_5) throw ProtocolException("unexpected version: $version")

    val command = fromSource.readByte() and 0xff

    val reserved = fromSource.readByte() and 0xff