The minimal relay interface a SyncAuthHandler needs to authenticate: url, authenticate and
auth. This structurally matches applesauce-relay's Relay, the concrete type behind its
RelayAuthContext.relay — a real Relay satisfies this interface without any adaptation.
The minimal relay interface a SyncAuthHandler needs to authenticate:
url,authenticateandauth. This structurally matches applesauce-relay'sRelay, the concrete type behind itsRelayAuthContext.relay— a realRelaysatisfies this interface without any adaptation.