Msr
data class MsrLastErrorTracks(val lastErrTk1: NexusRet, val lastErrTk2: NexusRet, val lastErrTk3: NexusRet) : Parcelable
Data class representing the last error status for each track of the Magnetic Stripe Reader (MSR).
This class is used to retrieve the status of the last read operation for each of the three MSR tracks. Each track's status is represented by a NexusRet enum, indicating success or a specific error code.