startReaderSession
abstract fun startReaderSession(request: PresentationRequest = PresentationRequest(docType = "org.iso.18013.5.1.mDL")): VerificationSession
Begin an offline proximity read. Feed the scanned engagement QR to VerificationSession.connect; the session opens BLE, requests request's elements, receives the response, and verifies it. Defaults to requesting the standard mDL identity elements.