扫描时如何获取断开连接的BLE列表？

Please check following code:

请检查以下代码:

NSDictionary *scanOptions = [NSDictionary dictionaryWithObject:[NSNumber numberWithBool:NO] forKey:CBCentralManagerScanOptionAllowDuplicatesKey];
[centralManager scanForPeripheralsWithServices:nil options:scanOptions];
NSDic