local.AddFlag(pflagFlag)
	} else {
		panic(fmt.Sprintf("failed to find flag in global flagset (flag): %s", globalName))
	}
}

// registerDeprecated registers the flag with register, and then marks it deprecated
func registerDeprecated(global *flag.FlagSet, local *pflag.FlagSet, globalName, deprecated string) {
	register(global, local, globalName)
	local.Lookup(normalize(globalName)).Deprecated = deprecated
}