if !ok {
		return ""
	}
	return prefix
}

func colorSuffix(colorize bool) string {
	if !colorize {
		return ""
	}
	return "\033[0m"
}

func IstioctlColorDefault(writer io.Writer) bool {
	if strings.EqualFold(termEnvVar.Get(), "dumb") {
		return false
	}

	file, ok := writer.(*os.File)
	if ok {
		if !isatty.IsTerminal(file.Fd()) {
			return false
		}