Diagnosing some Brother printer SDK search weirdness

BrotherPrinterTriageNonsense1.kt

fun publicGetUniqueDevSet() : Vector<DevSet?>? {
    
    val finder = DeviceFinder()
    val uniqueDevSet: Vector<DevSet?> = Vector()
    
    val devSets = if (Printer.getUserPrinterInfo() == null) {
        finder.discoverDevice(false)
    } else {
        finder.discoverDevice(Printer.getUserPrinterInfo().enabledTethering)
    }
    
    // @todo - for debug
    if (devSets.size < 1000) return devSets
    
    for (i in devSets.indices) {
        val devSet = devSets[i] as DevSet
        var isExist = false
        for (j in uniqueDevSet.indices) {
            if (uniqueDevSet[j]!!.ip == devSet.ip) {
                isExist = true
                break
            }
        }
        if (!isExist) {
            uniqueDevSet.add(devSet)
        }
    }
    
    return uniqueDevSet
    
}

fun printerWtf(modelName: String) : List<NetPrinter> {
    
    val netPrinterList = mutableListOf<NetPrinter?>()
    val uniqueDevSet = publicGetUniqueDevSet()?.filterNotNull() ?: listOf()
    val finder = DeviceFinder()
    
    Plank.printer("uniqueDevSet = $uniqueDevSet")
    
    if (uniqueDevSet.isEmpty()) return netPrinterList.filterNotNull().toList()
    
    for (i in uniqueDevSet.indices) {
        val devSet = uniqueDevSet[i]
        val ipAddress = devSet.ip
        val model = finder.getMibValue(ipAddress, "1.3.6.1.2.1.25.3.2.1.3.1")
        val eModelName = model.trim { it <= ' ' }
        //if (eModelName.endsWith(modelName)) {
            val netPrinter = NetPrinter()
            netPrinter.modelName = model
            netPrinter.ipAddress = ipAddress
            netPrinter.serNo = finder.getMibValue(ipAddress, "1.3.6.1.4.1.2435.2.3.9.4.2.1.5.5.1.0")
            netPrinter.nodeName = finder.getMibValue(ipAddress, "1.3.6.1.4.1.1240.2.3.4.1.1.0")
            netPrinter.macAddress = finder.getMibValue(ipAddress, "1.3.6.1.2.1.2.2.1.6.1")
            netPrinter.location = finder.getMibValue(ipAddress, "1.3.6.1.2.1.1.6.0")
            netPrinterList.add(netPrinter)
        //}
    }
    
    return netPrinterList.filterNotNull().toList()
    
}