code: func flagEndpoint(fs *flag.FlagSet, addr *string, def string) {
  	fs.StringVarP(
  		addr,
  		"endpoint",
  		"e",
  		def,
  		`The CSI endpoint may also be specified by the environment variable
          CSI_ENDPOINT. The endpoint should adhere to Go's network address
          pattern:
  
              * tcp://host:port
              * unix:///path/to/file.sock.
  
          If the network type is omitted then the value is assumed to be an
          absolute or relative filesystem path to a UNIX socket file`)
  }
docs: // flagEndpoint adds the -e,--endpoint flag to the specified flagset.