cmd.PersistentFlags().Float32Var(&threshold, "threshold", 1,
		"The ratio of distribution required for success")
	cmd.PersistentFlags().StringVar(&generation, "generation", "",
		"Wait for a specific generation of config to become current, rather than using whatever is latest in "+
			"Kubernetes")
	cmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "enables verbose output")
	_ = cmd.PersistentFlags().MarkHidden("verbose")