type World struct {
	// URL is the ssh server to connect to. Use the format, james@server:22
	// or similar. From there, we connect to each of the etcd Seeds, so the
	// ip's should be relative to this server.
	URL string

	// SSHID is the path to the ~/.ssh/id_rsa or ~/.ssh/id_ed25519 to use
	// for auth. If you omit this then this will look for your private key
	// in both of those default paths. If you specific a specific path, then
	// that will only be used. This will expand the ~/ and ~user/ style path
	// expansions.
	SSHID string

	// Seeds are the list of etcd endpoints to connect to.
	Seeds []string

	// NS is the etcd namespace to use.
	NS string

	MetadataPrefix string    // expected metadata prefix
	StoragePrefix  string    // storage prefix for etcdfs storage
	StandaloneFs   engine.Fs // store an fs here for local usage
	GetURI         func() string

	*etcd.World
	// contains filtered or unexported fields
}