cmd *cobra.Command, args []string, toComplete string,
	) ([]string, cobra.ShellCompDirective) {
		return completion.ValidNamespaceArgs(cmd, ctx, args, toComplete)
	})

	// Attach the Istio logging options to the command.
	root.LoggingOptions.AttachCobraFlags(rootCmd)
	hiddenFlags := []string{
		"log_as_json", "log_rotate", "log_rotate_max_age", "log_rotate_max_backups",