toString method
Intentionally omits encryptedData and ksn; reports only the shape of the payload.
Implementation
@override
String toString() => 'EncryptedReaderPayload(format=${format.wire}, '
'entry=${entryMode.wire}, device=$deviceSerial, '
'bytes=${encryptedData.length}, '
'ksn=${ksn == null ? "none" : "[REDACTED]"})';