AuthenticatorTransportFuture
A super class of TypeScript's AuthenticatorTransport that includes support for the latest
transports. Should eventually be replaced by TypeScript's when TypeScript gets updated to
know about it (sometime after 4.6.3)
type AuthenticatorTransportFuture =
| "ble"
| "cable"
| "hybrid"
| "internal"
| "nfc"
| "smart-card"
| "usb";