typedef NS_ENUM(NSInteger, CBPeripheralState) {
    CBPeripheralStateDisconnected = 0,
    CBPeripheralStateConnecting,
    CBPeripheralStateConnected,
    CBPeripheralStateDisconnecting NS_AVAILABLE(NA, 9_0),
} NS_AVAILABLE(NA, 7_0);

typedef NS_ENUM(NSInteger, CBCharacteristicWriteType) {
    CBCharacteristicWriteWithResponse = 0,
    CBCharacteristicWriteWithoutResponse,
};

@property(weak, nonatomic, nullable) id<CBPeripheralDelegate> delegate;

@property(retain, readonly, nullable) NSString *name;

@property(retain, readonly, nullable) NSNumber *RSSI NS_DEPRECATED(NA, NA, 5_0, 8_0);

@property(readonly) CBPeripheralState state;

@property(retain, readonly, nullable) NSArray<CBService *> *services;

- (void)readRSSI;

- (void)discoverServices:(nullable NSArray<CBUUID *> *)serviceUUIDs;

- (void)discoverIncludedServices:(nullable NSArray<CBUUID *> *)includedServiceUUIDs forService:(CBService *)service;

- (void)discoverCharacteristics:(nullable NSArray<CBUUID *> *)characteristicUUIDs forService:(CBService *)service;

- (void)readValueForCharacteristic:(CBCharacteristic *)characteristic;

- (NSUInteger)maximumWriteValueLengthForType:(CBCharacteristicWriteType)type NS_AVAILABLE(NA, 9_0);

- (void)writeValue:(NSData *)data forCharacteristic:(CBCharacteristic *)characteristic type:(CBCharacteristicWriteType)type;

- (void)setNotifyValue:(BOOL)enabled forCharacteristic:(CBCharacteristic *)characteristic;

- (void)discoverDescriptorsForCharacteristic:(CBCharacteristic *)characteristic;

- (void)readValueForDescriptor:(CBDescriptor *)descriptor;

- (void)writeValue:(NSData *)data forDescriptor:(CBDescriptor *)descriptor;

- (void)peripheralDidUpdateName:(CBPeripheral *)peripheral NS_AVAILABLE(NA, 6_0);

- (void)peripheral:(CBPeripheral *)peripheral didModifyServices:(NSArray<CBService *> *)invalidatedServices NS_AVAILABLE(NA, 7_0);

- (void)peripheralDidUpdateRSSI:(CBPeripheral *)peripheral error:(nullable NSError *)error NS_DEPRECATED(NA, NA, 5_0, 8_0);

- (void)peripheral:(CBPeripheral *)peripheral didReadRSSI:(NSNumber *)RSSI error:(nullable NSError *)error NS_AVAILABLE(NA, 8_0);

- (void)peripheral:(CBPeripheral *)peripheral didDiscoverServices:(nullable NSError *)error;

- (void)peripheral:(CBPeripheral *)peripheral didDiscoverIncludedServicesForService:(CBService *)service error:(nullable NSError *)error;

- (void)peripheral:(CBPeripheral *)peripheral didDiscoverCharacteristicsForService:(CBService *)service error:(nullable NSError *)error;

- (void)peripheral:(CBPeripheral *)peripheral didUpdateValueForCharacteristic:(CBCharacteristic *)characteristic error:(nullable NSError *)error;

 - (void)peripheral:(CBPeripheral *)peripheral didWriteValueForCharacteristic:(CBCharacteristic *)characteristic error:(nullable NSError *)error;

- (void)peripheral:(CBPeripheral *)peripheral didUpdateNotificationStateForCharacteristic:(CBCharacteristic *)characteristic error:(nullable NSError *)error;

- (void)peripheral:(CBPeripheral *)peripheral didDiscoverDescriptorsForCharacteristic:(CBCharacteristic *)characteristic error:(nullable NSError *)error;

- (void)peripheral:(CBPeripheral *)peripheral didUpdateValueForDescriptor:(CBDescriptor *)descriptor error:(nullable NSError *)error;

- (void)peripheral:(CBPeripheral *)peripheral didWriteValueForDescriptor:(CBDescriptor *)descriptor error:(nullable NSError *)error;