clusterConfigCmd.PersistentFlags().StringVar(&subset, "subset", "", "Filter clusters by substring of Subset field")
	clusterConfigCmd.PersistentFlags().IntVar(&port, "port", 0, "Filter clusters by Port field")
	clusterConfigCmd.PersistentFlags().StringVarP(&configDumpFile, "file", "f", "",
		"Envoy config dump JSON file")

	return clusterConfigCmd
}

	outputFormat string

	proxyAdminPort int

	configDumpFile string

	node string
}

func (c *commonFlags) attach(cmd *cobra.Command) {
	cmd.PersistentFlags().IntVar(&c.proxyAdminPort, "proxy-admin-port", defaultProxyAdminPort, "Ztunnel proxy admin port")
	cmd.PersistentFlags().StringVarP(&c.outputFormat, "output", "o", summaryOutput, "Output format: one of json|yaml|short")