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",
		Short: "List istio configurable defaults",
		Args:  cobra.ExactArgs(0),