         
         dataSource.configureCell = { [unowned self] _, tv, _, item in
             let cell = tv.dequeueReusableCell(withIdentifier: "DetectionInfoTableViewCell") as? DetectionInfoTableViewCell
-                ?? DetectionInfoTableViewCell(style: .default, reuseIdentifier: "DetectionInfoTableViewCell")
+            ?? DetectionInfoTableViewCell(style: .default, reuseIdentifier: "DetectionInfoTableViewCell")
             
             cell.uuidLabel.text = item.beacon.proximityUUID.uuidString
             cell.majorLabel.text = item.beacon.major.stringValue

        }
        
        guard let beaconRegion = beaconRegion,
            authorizationStatusCheck() else { return }
        rangingButtonIconVar.value = #imageLiteral(resourceName: "RangingButtonIconPause")
        isRanging = true
        guard let manager = manager else { return }
        manager.startRangingBeacons(in: beaconRegion)

        let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
        return cell
    })
    
    private let rangingButtonIconVar: BehaviorRelay<UIImage> = BehaviorRelay(value: #imageLiteral(resourceName: "RangingButtonIconStart"))
    
    private let statusVar = BehaviorRelay(value: "")
    private let inputProximityUUIDVar = BehaviorRelay(value: "")
