package session

import "context"

// BackendLookup is the slice of backend's REST surface that the
// session-cache layer depends on. The narrow interface keeps this
// package free of any backendclient import. The canonical
// implementation is `*backendclient.RESTClient`; tests can supply a
// fake.
type BackendLookup interface {
	LookupSession(ctx context.Context, deviceSessionID string) (Record, error)
}