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@import Dispatch;
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@import ObjectiveC;
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typedef SWIFT_ENUM(NSInteger, DFUError, closed) {
  DFUErrorRemoteLegacyDFUSuccess = 1,
  DFUErrorRemoteLegacyDFUInvalidState = 2,
  DFUErrorRemoteLegacyDFUNotSupported = 3,
  DFUErrorRemoteLegacyDFUDataExceedsLimit = 4,
  DFUErrorRemoteLegacyDFUCrcError = 5,
  DFUErrorRemoteLegacyDFUOperationFailed = 6,
  DFUErrorRemoteSecureDFUSuccess = 11,
  DFUErrorRemoteSecureDFUOpCodeNotSupported = 12,
  DFUErrorRemoteSecureDFUInvalidParameter = 13,
  DFUErrorRemoteSecureDFUInsufficientResources = 14,
  DFUErrorRemoteSecureDFUInvalidObject = 15,
  DFUErrorRemoteSecureDFUSignatureMismatch = 16,
  DFUErrorRemoteSecureDFUUnsupportedType = 17,
  DFUErrorRemoteSecureDFUOperationNotPermitted = 18,
  DFUErrorRemoteSecureDFUOperationFailed = 20,
  DFUErrorRemoteSecureDFUExtendedError = 21,
  DFUErrorRemoteExtendedErrorWrongCommandFormat = 22,
  DFUErrorRemoteExtendedErrorUnknownCommand = 23,
  DFUErrorRemoteExtendedErrorInitCommandInvalid = 24,
  DFUErrorRemoteExtendedErrorFwVersionFailure = 25,
  DFUErrorRemoteExtendedErrorHwVersionFailure = 26,
  DFUErrorRemoteExtendedErrorSdVersionFailure = 27,
  DFUErrorRemoteExtendedErrorSignatureMissing = 28,
  DFUErrorRemoteExtendedErrorWrongHashType = 29,
  DFUErrorRemoteExtendedErrorHashFailed = 30,
  DFUErrorRemoteExtendedErrorWrongSignatureType = 31,
  DFUErrorRemoteExtendedErrorVerificationFailed = 32,
  DFUErrorRemoteExtendedErrorInsufficientSpace = 33,
  DFUErrorRemoteExperimentalButtonlessDFUSuccess = 9001,
  DFUErrorRemoteExperimentalButtonlessDFUOpCodeNotSupported = 9002,
  DFUErrorRemoteExperimentalButtonlessDFUOperationFailed = 9004,
  DFUErrorRemoteButtonlessDFUSuccess = 91,
  DFUErrorRemoteButtonlessDFUOpCodeNotSupported = 92,
  DFUErrorRemoteButtonlessDFUOperationFailed = 94,
  DFUErrorRemoteButtonlessDFUInvalidAdvertisementName = 95,
  DFUErrorRemoteButtonlessDFUBusy = 96,
  DFUErrorRemoteButtonlessDFUNotBonded = 97,
/// Providing the DFUFirmware is required.
  DFUErrorFileNotSpecified = 101,
/// Given firmware file is not supported.
  DFUErrorFileInvalid = 102,
/// Since SDK 7.0.0 the DFU Bootloader requires the extended Init Packet.
/// For more details, see:
/// http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v11.0.0/bledfu_example_init.html?cp=4_0_0_4_2_1_1_3
  DFUErrorExtendedInitPacketRequired = 103,
/// Before SDK 7.0.0 the init packet could have contained only 2-byte CRC
/// value, and was optional. Providing an extended one instead would cause
/// CRC error during validation (the bootloader assumes that the 2 first
/// bytes of the init packet are the firmware CRC).
  DFUErrorInitPacketRequired = 104,
  DFUErrorFailedToConnect = 201,
  DFUErrorDeviceDisconnected = 202,
  DFUErrorBluetoothDisabled = 203,
  DFUErrorServiceDiscoveryFailed = 301,
  DFUErrorDeviceNotSupported = 302,
  DFUErrorReadingVersionFailed = 303,
  DFUErrorEnablingControlPointFailed = 304,
  DFUErrorWritingCharacteristicFailed = 305,
  DFUErrorReceivingNotificationFailed = 306,
  DFUErrorUnsupportedResponse = 307,
/// Error raised during upload when the number of bytes sent is not equal to
/// number of bytes confirmed in Packet Receipt Notification.
  DFUErrorBytesLost = 308,
/// Error raised when the CRC reported by the remote device does not match.
/// Service has done 3 attempts to send the data.
  DFUErrorCrcError = 309,
/// The service went into an invalid state. The service will try to close
/// without crashing. Recovery to a know state is not possible.
  DFUErrorInvalidInternalState = 500,
};

@class NSString;
@class NSURL;
@class DFUFirmwareSize;
enum DFUFirmwareType : uint8_t;
@class NSData;

/// The DFUFirmware object wraps the firmware file.
SWIFT_CLASS("_TtC13iOSDFULibrary11DFUFirmware")
@interface DFUFirmware : NSObject
/// The name of the firmware file.
@property (nonatomic, readonly, copy) NSString * _Nullable fileName;
/// The URL to the firmware file.
@property (nonatomic, readonly, copy) NSURL * _Nullable fileUrl;
/// Information whether the firmware was successfully initialized.
@property (nonatomic, readonly) BOOL valid;
/// The size of each component of the firmware.
@property (nonatomic, readonly, strong) DFUFirmwareSize * _Nonnull size;
/// Number of connectinos required to transfer the firmware.
/// This does not include the connection needed to switch to the DFU mode.
@property (nonatomic, readonly) NSInteger parts;
/// Creates the DFU Firmware object from a Distribution packet (ZIP).
/// Such file must contain a manifest.json file with firmware metadata and at
/// least one firmware binaries. Read more about the Distribution packet on
/// the DFU documentation.
/// \param urlToZipFile URL to the Distribution packet (ZIP).
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithUrlToZipFile:(NSURL * _Nonnull)urlToZipFile;
/// Creates the DFU Firmware object from a Distribution packet (ZIP).
/// Such file must contain a manifest.json file with firmware metadata and at
/// least one firmware binaries. Read more about the Distribution packet on
/// the DFU documentation.
/// \param urlToZipFile URL to the Distribution packet (ZIP).
///
/// \param type The type of the firmware to use.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithUrlToZipFile:(NSURL * _Nonnull)urlToZipFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
/// Creates the DFU Firmware object from a Distribution packet (ZIP).
/// Such file must contain a manifest.json file with firmware metadata and at
/// least one firmware binaries. Read more about the Distribution packet on
/// the DFU documentation.
/// \param zipFile The Distribution packet (ZIP) data.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithZipFile:(NSData * _Nonnull)zipFile;
/// Creates the DFU Firmware object from a Distribution packet (ZIP).
/// Such file must contain a manifest.json file with firmware metadata and at
/// least one firmware binaries. Read more about the Distribution packet on
/// the DFU documentation.
/// \param zipFile The Distribution packet (ZIP) data.
///
/// \param type The type of the firmware to use.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithZipFile:(NSData * _Nonnull)zipFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
/// Creates the DFU Firmware object from a BIN or HEX file. Setting the DAT
/// file with an Init packet is optional, but may be required by the bootloader
/// (SDK 7.0.0+).
/// \param urlToBinOrHexFile URL to a BIN or HEX file with the firmware.
///
/// \param urlToDatFile An optional URL to a DAT file with the Init packet.
///
/// \param type The type of the firmware.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithUrlToBinOrHexFile:(NSURL * _Nonnull)urlToBinOrHexFile urlToDatFile:(NSURL * _Nullable)urlToDatFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
/// Creates the DFU Firmware object from a BIN data. Setting the DAT
/// file with an Init packet is optional, but may be required by the bootloader
/// (SDK 7.0.0+).
/// \param binFile Content of the new firmware as BIN.
///
/// \param datFile An optional DAT file data with the Init packet.
///
/// \param type The type of the firmware.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithBinFile:(NSData * _Nonnull)binFile datFile:(NSData * _Nullable)datFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
/// Creates the DFU Firmware object from a HEX data. Setting the DAT
/// file with an Init packet is optional, but may be required by the bootloader
/// (SDK 7.0.0+).
/// \param hexFile Content of the HEX file containing new firmware.
///
/// \param datFile An optional DAT file data with the Init packet.
///
/// \param type The type of the firmware.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithHexFile:(NSData * _Nonnull)hexFile datFile:(NSData * _Nullable)datFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
@end


SWIFT_CLASS("_TtC13iOSDFULibrary15DFUFirmwareSize")
@interface DFUFirmwareSize : NSObject
/// Size of the softdevice in bytes.
/// If not even, add it to the bootloader size to get size of
/// softdevice_bootloader.bin.
@property (nonatomic, readonly) uint32_t softdevice;
/// Size of the bootloader in bytes.
/// If equal to 1 the ZIP contains SD+BL and size of SD or BL is not known exactly,
/// but their sum is known.
@property (nonatomic, readonly) uint32_t bootloader;
/// Size of the application in bytes.
@property (nonatomic, readonly) uint32_t application;
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
@end

/// The type of the BIN or HEX file, or selection of content from the Distribution
/// packet (ZIP) file.
/// Select <code>.softdeviceBootloaderApplication</code> to sent all files from the ZIP
/// (even it there is let’s say only application). This works as a filter.
/// If you have SD+BL+App in the ZIP, but want to send only App, you may set the
/// type to <code>.application</code>.
/// <ul>
///   <li>
///     softdevice:           Firmware file will be sent as a new SoftDevice.
///   </li>
///   <li>
///     bootloader:           Firmware file will be sent as a new Bootloader.
///   </li>
///   <li>
///     application:          Firmware file will be sent as a new Application.
///   </li>
///   <li>
///     softdeviceBootloader: Firmware file will be sent as a new SoftDevice + Bootloader.
///   </li>
///   <li>
///     softdeviceBootloaderApplication: All content of the ZIP file will be sent.
///   </li>
/// </ul>
typedef SWIFT_ENUM(uint8_t, DFUFirmwareType, closed) {
  DFUFirmwareTypeSoftdevice = 1,
  DFUFirmwareTypeBootloader = 2,
  DFUFirmwareTypeApplication = 4,
  DFUFirmwareTypeSoftdeviceBootloader = 3,
  DFUFirmwareTypeSoftdeviceBootloaderApplication = 7,
};

@class CBPeripheral;
@class NSNumber;
@class CBUUID;

/// The DFUPeripheralSelectorDelegate is used when both the Softdevice
/// (or Softdevice and Bootloader) and Application are going to be updated,
/// or when a peripheral is to be switched to the bootloader mode that will
/// change its address.
/// This library supports sending both BIN files from a ZIP Distribution
/// Packet automatically. However, when sending the Softdevice update, the
/// DFU Bootloader may remove the current application in order to make space
/// for the new Softdevice firmware (Legacy DFU, or Secure DFU with single
/// bank enabled when new SD+BL are larger then space available) or may
/// advertise in Bootloader mode for number of seconds (Secure DFU). When the
/// new Softdevice is flashed the bootloader restarts the device and starts
/// advertising in DFU Bootloader mode.
/// Since SDK 8.0.0, to solve caching problem on a host that is no bonded
/// (in case there is no Service Changed characteristic), the bootloader
/// starts to advertise with an address incremented by 1. The DFU Library has
/// to scan for a peripheral with this new address. However, as iOS does not
/// expose the device address in the public CoreBluetooth API, address matching,
/// used on Android, can not be used. Instead, this selector is used. The DFU
/// Service will start scanning for peripherals with a UUID filter, where the
/// list of required UUID is returned by the <code>filterBy(hint:)</code> method. If your
/// device in the Bootloader mode does not advertise with any service UUIDs,
/// or this is not enough, you may select a target device by their advertising
/// packet or RSSI using this delegate.
/// In SDK 14.0.0 a new feature was added to the Buttonless DFU for non-bonded
/// devices which allows to send a unique name to the device before it is
/// switched to bootloader mode. After jump, the bootloader will advertise
/// with this name as the Complete Local Name making it easy to select proper
/// device. In this case you don’t have to override the default peripheral
/// selector.
/// More: http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v14.0.0/service_dfu.html
SWIFT_PROTOCOL("_TtP13iOSDFULibrary29DFUPeripheralSelectorDelegate_")
@protocol DFUPeripheralSelectorDelegate
/// Returns whether the given peripheral is a device in DFU Bootloader mode.
/// \param peripheral The peripheral to be checked.
///
/// \param advertisementData Scanned advertising data.
///
/// \param RSSI Received signal strength indication in dBm.
///
/// \param name An optional name to look for in the
/// advertisement packet (see Buttonless DFU in SDK 14).
///
///
/// returns:
/// True (YES) if given peripheral is what service is looking for.
- (BOOL)select:(CBPeripheral * _Nonnull)peripheral advertisementData:(NSDictionary<NSString *, id> * _Nonnull)advertisementData RSSI:(NSNumber * _Nonnull)RSSI hint:(NSString * _Nullable)name SWIFT_WARN_UNUSED_RESULT;
/// Returns an optional list of services that the scanner will use to filter
/// advertising packets when scanning for a device in DFU Bootloader mode.
/// To find out what UUID you should return, switch your device to DFU Bootloader
/// mode (with a button!) and check the advertisment packet. The result of this
/// method will be applied to
/// <code>centralManager.scanForPeripheralsWithServices([CBUUID]?, options: [String : AnyObject]?)</code>.
/// \param dfuServiceUUID The UUID of the DFU service that was used to
/// flash SoftDevice and/or Bootloader. Usually, this
/// service UUID is present in the DFU Bootloader’s
/// advertising packet. Then this method may simply
/// return <code>[dfuServiceUUID]</code>.
///
///
/// returns:
/// An optional list of services or nil.
- (NSArray<CBUUID *> * _Nullable)filterByHint:(CBUUID * _Nonnull)dfuServiceUUID SWIFT_WARN_UNUSED_RESULT;
@end


/// The default selector.
/// Selects the first device with Legacy or Secure DFU Service UUID in the advertising packet.
SWIFT_CLASS("_TtC13iOSDFULibrary21DFUPeripheralSelector")
@interface DFUPeripheralSelector : NSObject <DFUPeripheralSelectorDelegate>
- (BOOL)select:(CBPeripheral * _Nonnull)peripheral advertisementData:(NSDictionary<NSString *, id> * _Nonnull)advertisementData RSSI:(NSNumber * _Nonnull)RSSI hint:(NSString * _Nullable)name SWIFT_WARN_UNUSED_RESULT;
- (NSArray<CBUUID *> * _Nullable)filterByHint:(CBUUID * _Nonnull)dfuServiceUUID SWIFT_WARN_UNUSED_RESULT;
- (nonnull instancetype)init OBJC_DESIGNATED_INITIALIZER;
@end



/// The progress delegates may be used to notify user about progress updates.
/// The only method of the delegate is only called when the service is in the
/// Uploading state.
SWIFT_PROTOCOL("_TtP13iOSDFULibrary19DFUProgressDelegate_")
@protocol DFUProgressDelegate
/// Callback called in the <code>State.Uploading</code> state. Gives detailed information
/// about the progress and speed of transmission. This method is always called
/// at least two times (for 0% and 100%) if upload has started and did not fail.
/// This method is called in the main thread and is safe to update any UI.
/// \param part Number of part that is currently being transmitted. Parts
/// start from 1 and may have value either 1 or 2. Part 2 is
/// used only when there were Soft Device and/or Bootloader AND
/// an Application in the Distribution Packet and the DFU target
/// does not support sending all files in a single connection.
/// First the SD and/or BL will be sent, then the service will
/// disconnect, reconnect again to the (new) bootloader and send
/// the Application.
///
/// \param totalParts Total number of parts that are to be send (this is always
/// equal to 1 or 2).
///
/// \param progress The current progress of uploading the current part in
/// percentage (values 0-100).
/// Each value will be called at most once - in case of a large
/// file a value e.g. 3% will be called only once, despite that
/// it will take more than one packet to reach 4%. In case of
/// a small firmware file some values may be ommited.
/// For example, if firmware file would be only 20 bytes you
/// would get a callback 0% (called always) and then 100% when done.
///
/// \param currentSpeedBytesPerSecond The current speed in bytes per second.
///
/// \param avgSpeedBytesPerSecond The average speed in bytes per second.
///
- (void)dfuProgressDidChangeFor:(NSInteger)part outOf:(NSInteger)totalParts to:(NSInteger)progress currentSpeedBytesPerSecond:(double)currentSpeedBytesPerSecond avgSpeedBytesPerSecond:(double)avgSpeedBytesPerSecond;
@end


SWIFT_CLASS("_TtC13iOSDFULibrary20DFUServiceController")
@interface DFUServiceController : NSObject
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
/// Call this method to pause uploading during the transmition process.
/// The transmition can be resumed only when connection remains. If service
/// has already started sending firmware data it will pause after receiving
/// next Packet Receipt Notification. Otherwise it will continue to send
/// Op Codes and pause before sending the first bytes of the firmware. With
/// Packet Receipt Notifications disabled it is the only moment when upload
/// may be paused.
- (void)pause;
/// Call this method to resume the paused transffer, otherwise does nothing.
- (void)resume;
/// Aborts the upload. The phone will disconnect from peripheral. The peripheral
/// will try to recover the last firmware. Might, restart in the Bootloader mode
/// if the application has been removed.
/// Abort (Reset) command will be sent instead of a next Op Code, or after receiving
/// a Packet Receipt Notification. It PRM procedure is disabled it will continue
/// until the whole firmware is sent and then Reset will be sent instead of Verify
/// Firmware op code.
///
/// returns:
/// <code>True</code> if DFU has been aborted; <code>false</code> otherwise.
- (BOOL)abort SWIFT_WARN_UNUSED_RESULT;
/// Starts again aborted DFU operation.
- (void)restart;
/// Returns <code>true</code> if DFU operation has been paused.
@property (nonatomic, readonly) BOOL paused;
/// Returns <code>true</code> if DFU operation has been aborted.
@property (nonatomic, readonly) BOOL aborted;
@end

enum DFUState : NSInteger;

/// The service delegate reports about state changes and errors.
SWIFT_PROTOCOL("_TtP13iOSDFULibrary18DFUServiceDelegate_")
@protocol DFUServiceDelegate
/// Callback called when state of the DFU Service has changed.
/// This method is called in the delegate queue specified in the
/// <code>DfuServiceInitiator</code>.
/// \param state The new state fo the service.
///
- (void)dfuStateDidChangeTo:(enum DFUState)state;
/// Called after an error occurred. The device will be disconnected and DFU
/// operation has been aborted.
/// This method is called in the delegate queue specified in the
/// <code>DfuServiceInitiator</code>.
/// \param error The error code.
///
/// \param message Error description.
///
- (void)dfuError:(enum DFUError)error didOccurWithMessage:(NSString * _Nonnull)message;
@end

@protocol LoggerDelegate;
@class DFUUuidHelper;
@class CBCentralManager;
@class NSUUID;

/// The DFUServiceInitiator object should be used to send a firmware update to
/// a remote BLE target compatible with the Nordic Semiconductor’s DFU (Device
/// Firmware Update).
/// A <code>delegate</code>, <code>progressDelegate</code> and <code>logger</code> may be specified in order to
/// receive status information.
SWIFT_CLASS("_TtC13iOSDFULibrary19DFUServiceInitiator")
@interface DFUServiceInitiator : NSObject
/// The service delegate is an object that will be notified about state changes
/// of the DFU Service. Setting it is optional but recommended.
@property (nonatomic, weak) id <DFUServiceDelegate> _Nullable delegate;
/// An optional progress delegate will be called only during upload. It notifies
/// about current upload percentage and speed.
@property (nonatomic, weak) id <DFUProgressDelegate> _Nullable progressDelegate;
/// The logger is an object that should print given messages to the user.
/// It is optional.
@property (nonatomic, weak) id <LoggerDelegate> _Nullable logger;
/// The selector object is used when the device needs to disconnect and start
/// advertising with a different address to avoid caching problems, for example
/// after switching to the Bootloader mode, or during sending a firmware containing
/// a Softdevice (or Softdevice and Bootloader) and the Application.
/// After flashing the first part (containing the Softdevice), the device restarts
/// in the DFU Bootloader mode and may (since SDK 8.0.0) start advertising with an
/// address incremented by 1. The peripheral specified in the <code>init</code> may no longer
/// be used as there is no device advertising with its address.
/// The DFU Service will scan for a new device and connect to the first device
/// returned by the selector.
/// The default selecter returns the first device with the required DFU Service
/// UUID in the advertising packet (Secure or Legacy DFU Service UUID).
/// Ignore this property if not updating Softdevice and Application from one ZIP
/// file.
@property (nonatomic, strong) id <DFUPeripheralSelectorDelegate> _Nonnull peripheralSelector;
/// The number of packets of firmware data to be received by the DFU target before
/// sending a new Packet Receipt Notification. If this value is 0, the packet receipt
/// notification will be disabled by the DFU target. Default value is 12.
/// PRNs are no longer required on iOS 11 and MacOS 10.13 or newer, but make sure
/// your device is able to be updated without. Old SDKs, before SDK 7 had very slow
/// memory management and could not handle packets that fast. If your device
/// is based on such SDK it is recommended to leave the default value.
/// Disabling PRNs on iPhone 8 with iOS 11.1.2 increased the speed from 1.7 KB/s to 2.7 KB/s
/// on DFU from SDK 14.1 where packet size is 20 bytes (higher MTU not supported yet).
/// On older versions, higher values of PRN (~20+), or disabling it, may speed up
/// the upload process, but also cause a buffer overflow and hang the Bluetooth adapter.
/// Maximum verified values were 29 for iPhone 6 Plus or 22 for iPhone 7, both iOS 10.1.
@property (nonatomic) uint16_t packetReceiptNotificationParameter;
/// Setting this property to true will prevent from jumping to the DFU Bootloader
/// mode in case there is no DFU Version characteristic. Use it if the DFU operation
/// can be handled by your device running in the application mode. If the DFU Version
/// characteristic exists, the information whether to begin DFU operation, or jump to
/// bootloader, is taken from the characteristic’s value. The value returned equal to
/// 0x0100 (read as: minor=1, major=0, or version 0.1) means that the device is in the
/// application mode and buttonless jump to DFU Bootloader is supported.
/// Currently, the following values of the DFU Version characteristic are supported:
/// <em>No DFU Version characteristic</em> - one of the first implementations of DFU Service.
/// The device may support only Application update (version from SDK 4.3.0), may support
/// Soft Device, Bootloader and Application update but without buttonless jump to
/// bootloader (SDK 6.0.0) or with buttonless jump (SDK 6.1.0).
/// The DFU Library determines whether the device is in application mode or in DFU
/// Bootloader mode by counting number of services: if no DFU Service found - device
/// is in app mode and does not support buttonless jump, if the DFU Service is the only
/// service found (except General Access and General Attribute services) - it assumes
/// it is in DFU Bootloader mode and may start DFU immediately, if there is at least
/// one service except DFU Service - the device is in application mode and supports
/// buttonless jump. In the lase case, you want to perform DFU operation without
/// jumping - set the <code>forceDfu</code> property to <code>true</code>.
/// <em>0.1</em> - Device is in a mode that supports buttonless jump to the DFU Bootloader.
/// <em>0.5</em> - Device can handle DFU operation. Extended Init packet is required.
/// Bond information is lost in the bootloader mode and after updating an app.
/// Released in SDK 7.0.0.
/// <em>0.6</em> - Bond information is kept in bootloader mode and may be kept after
/// updating application (DFU Bootloader must be configured to preserve the bond
/// information).
/// <em>0.7</em> - The SHA-256 firmware hash is used in the Extended Init Packet instead
/// of CRC-16. This feature is transparent for the DFU Service.
/// <em>0.8</em> - The Extended Init Packet is signed using the private key. The bootloader,
/// using the public key, is able to verify the content. Released in SDK 9.0.0 as
/// experimental feature.
/// Caution! The firmware type (Application, Bootloader, SoftDevice or SoftDevice +
/// Bootloader) is not encrypted as it is not a part of the Extended Init Packet.
/// A change in the protocol will be required to fix this issue.
/// By default the DFU Library will try to switch the device to the DFU Bootloader
/// mode if it finds more services then one (DFU Service). It assumes it is already
/// in the bootloader mode if the only service found is the DFU Service. Setting the
/// forceDfu to true (YES) will prevent from jumping in these both cases.
/// important:
/// Legacy DFU only.
@property (nonatomic) BOOL forceDfu;
/// By default, the Legacy DFU bootloader starting from SDK 7.1, when enabled using
/// buttonless service, advertises with the same Bluetooth address as the application
/// using direct advertisement. This complies with the Bluetooth specification.
/// However, starting from iOS 13.x, iPhones and iPads use random addresses on each
/// connection and do not expect direct advertising unless bonded. This causes thiose
/// packets being missed and not reported to the library, making reconnection to the
/// bootloader and proceeding with DFU impossible.
/// A solution requires modifying either the bootloader not to use the direct advertising,
/// or the application not to share the peer data with bootloader, in which case it will
/// advertise undirectly using address +1, like it does when the switch to bootloader mode
/// is initiated with a button. After such modification, setting this flag to true will make the
/// library scan for the bootloader using <code>DFUPeripheralSelector</code>.
/// Setting this flag to true without modifying the booloader behavior will break the DFU,
/// as the direct advertising packets are empty and will not pass the default
/// <code>DFUPeripheralSelector</code>.
/// since:
/// 4.8.0
@property (nonatomic) BOOL forceScanningForNewAddressInLegacyDfu;
/// Connection timeout.
/// When the DFU target does not connect before the time runs out, a timeout error
/// is reported.
/// since:
/// 4.8.0
@property (nonatomic) NSTimeInterval connectionTimeout;
/// Duration of a delay, that the service will wait before sending each data object in
/// Secure DFU. The delay will be done after a data object is created, and before
/// any data byte is sent. The default value is 0, which disables this feature for the
/// second and following data objects, but the first one will be delayed by 0.4 sec.
/// It has been found, that a delay of at least 0.3 sec reduces the risk of packet lose
/// (the bootloader needs some time to prepare flash memory) on DFU bootloader from
/// SDK 15, 16 and 17. The delay does not have to be longer than 0.4 sec, as according to
/// performed tests, such delay is sufficient.
/// The longer the delay, the more time DFU will take to complete (delay will be repeated for
/// each data object (4096 bytes)). However, with too small delay a packet lose may occur,
/// causing the service to enable PRN and set them to 1 making DFU process very, very slow
/// (but reliable).
/// The recommended delay is from 0.3 to 0.4 second if your DFU bootloader is from
/// SDK 15, 16 or 17. Older bootloaders do not need this delay.
/// This variable is ignored in Legacy DFU.
/// since:
/// 4.8.0
@property (nonatomic) NSTimeInterval dataObjectPreparationDelay;
/// In SDK 14.0.0 a new feature was added to the Buttonless DFU for non-bonded
/// devices which allows to send a unique name to the device before it is switched
/// to bootloader mode. After jump, the bootloader will advertise with this name
/// as the Complete Local Name making it easy to select proper device. In this case
/// you don’t have to override the default peripheral selector.
/// Read more:
/// http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v14.0.0/service_dfu.html
/// Setting this flag to false you will disable this feature. iOS DFU Library will
/// not send the 0x02-[len]-[new name] command prior jumping and will rely on the DfuPeripheralSelectorDelegate just like it used to in previous SDK.
/// This flag is ignored in Legacy DFU.
/// <em>It is recommended to keep this flag set to true unless necessary.</em>
/// For more information read:
/// https://github.com/NordicSemiconductor/IOS-nRF-Connect/issues/16
@property (nonatomic) BOOL alternativeAdvertisingNameEnabled;
/// If <code>alternativeAdvertisingNameEnabled</code> is <code>true</code> then this specifies the
/// alternative name to use. If nil (default) then a random name is generated.
/// The maximum length of the alertnative advertising name is 20 bytes.
/// Longer name will be trundated. UTF-8 characters can be cut in the middle.
@property (nonatomic, copy) NSString * _Nullable alternativeAdvertisingName;
/// Set this flag to true to enable experimental buttonless feature in Secure DFU.
/// When the experimental Buttonless DFU Service is found on a device, the service
/// will use it to switch the device to the bootloader mode, connect to it in that
/// mode and proceed with DFU.
/// <em>Please, read the information below before setting it to true.</em>
/// In the SDK 12.x the Buttonless DFU feature for Secure DFU was experimental.
/// It is NOT recommended to use it: it was not properly tested, had implementation bugs
/// (e.g. https://devzone.nordicsemi.com/question/100609/sdk-12-bootloader-erased-after-programming/)
/// and does not required encryption and therefore may lead to DOS attack (anyone can
/// use it to switch the device to bootloader mode). However, as there is no other way
/// to trigger bootloader mode on devices without a button, this DFU Library supports
/// this service, but the feature must be explicitly enabled here. Be aware, that setting
/// this flag to false will no protect your devices from this kind of attacks, as
/// an attacker may use another app for that purpose. To be sure your device is secure
/// remove this experimental service from your device.
/// Spec:
/// Buttonless DFU Service UUID: 8E400001-F315-4F60-9FB8-838830DAEA50
/// Buttonless DFU characteristic UUID: 8E400001-F315-4F60-9FB8-838830DAEA50 (the same)
/// Enter Bootloader Op Code: 0x01
/// Correct return value: 0x20-01-01 , where:
/// 0x20 - Response Op Code
/// 0x01 - Request Code
/// 0x01 - Success
/// The device should disconnect and restart in DFU mode after sending the notification.
/// In SDK 13 this issue was be fixed by a proper implementation (bonding required,
/// passing bond information to the bootloader, encryption, well tested).
/// It is recommended to use this new service.
@property (nonatomic) BOOL enableUnsafeExperimentalButtonlessServiceInSecureDfu;
/// UUIDs used during the DFU Process.
/// This allows you to pass in Custom UUIDs for the DFU Service/Characteristics.
@property (nonatomic, strong) DFUUuidHelper * _Nonnull uuidHelper;
/// Disable the ability for the DFU process to resume from where it was.
/// since:
/// 4.3.0
@property (nonatomic) BOOL disableResume;
/// Creates the DFUServiceInitializer that will allow to send an update to the given
/// peripheral.
/// This constructor takes control over the central manager and peripheral objects.
/// Their delegates will be set to internal library objects and will NOT be reverted to
/// original objects, instead they will be set to nil when DFU is complete, aborted or
/// has failed with an error. An app should restore the delegates (if needed) after
/// receiving .completed or .aborted DFUState, or receiving an error.
/// important:
/// This constructor has been deprecated in favor of <code>init(target: CBPeripheral)</code>,
/// which does not take control over the give peripheral, and is using a copy instead.
/// seealso:
/// peripheralSelector property - a selector used when scanning for a device
/// in DFU Bootloader mode in case you want to update a Softdevice and
/// Application from a single ZIP Distribution Packet.
/// \param centralManager Manager that will be used to connect to the peripheral
///
/// \param target The DFU target peripheral.
///
///
/// returns:
/// The initiator instance.
- (nonnull instancetype)initWithCentralManager:(CBCentralManager * _Nonnull)centralManager target:(CBPeripheral * _Nonnull)target OBJC_DESIGNATED_INITIALIZER SWIFT_DEPRECATED_MSG("Use init(queue: DispatchQueue?) instead.");
/// Creates the DFUServiceInitializer that will allow to send an update to peripherals.
/// version:
/// Added in version 4.2 of the iOS DFU Library. Extended in 4.3 to allow
/// setting delegate queues.
/// seealso:
/// peripheralSelector property - a selector used when scanning for a
/// device in DFU Bootloader mode in case you want to update a Softdevice
/// and Application from a single ZIP Distribution Packet.
/// \param queue The dispatch queue to run BLE operations on.
///
/// \param delegateQueue The dispatch queue to invoke all delegate callbacks on.
///
/// \param progressQueue The dispatch queue to invoke all progress delegate
/// callbacks on.
///
/// \param loggerQueue The dispatch queue to invoke all logger events on.
///
///
/// returns:
/// The initiator instance.
- (nonnull instancetype)initWithQueue:(dispatch_queue_t _Nullable)queue delegateQueue:(dispatch_queue_t _Nonnull)delegateQueue progressQueue:(dispatch_queue_t _Nonnull)progressQueue loggerQueue:(dispatch_queue_t _Nonnull)loggerQueue OBJC_DESIGNATED_INITIALIZER;
/// Sets the file with the firmware. The file must be specified before calling
/// <code>start(...)</code> method.
/// \param file The firmware wrapper object.
///
///
/// returns:
/// The initiator instance to allow chain use.
- (DFUServiceInitiator * _Nonnull)withFirmware:(DFUFirmware * _Nonnull)file SWIFT_WARN_UNUSED_RESULT;
/// Starts sending the specified firmware to the DFU target specified in
/// <code>init(centralManager:target)</code>. When started, the service will automatically
/// connect to the target, switch to DFU Bootloader mode (if necessary), and
/// send all the content of the specified firmware file in one or two connections.
/// Two connections will be used if a ZIP file contains a Soft Device and/or
/// Bootloader and an Application. First the Soft Device and/or Bootloader will
/// be transferred, then the service will disconnect, reconnect to the (new)
/// Bootloader again and send the Application (unless the target supports
/// receiving all files in a single connection). The peripheral will NOT be
/// reconnected after the DFU is completed, aborted or has failed.
/// The current version of the DFU Bootloader, due to memory limitations, may
/// receive together only a Softdevice and Bootloader.
/// important:
/// Use <code>start(target: CBPeripheral)</code> instead.
///
/// returns:
/// A DFUServiceController object that can be used to control the
/// DFU operation, or <code>nil</code>, if the file was not set, or the target
/// peripheral was not set.
- (DFUServiceController * _Nullable)start SWIFT_WARN_UNUSED_RESULT SWIFT_DEPRECATED_MSG("Use start(target: CBPeripheral) instead.");
/// Starts sending the specified firmware to the given DFU target.
/// When started, the service will automatically connect to the target, switch to
/// DFU Bootloader mode (if necessary), and send all the content of the specified
/// firmware file in one or two connections. Two connections will be used if a ZIP
/// file contains a SoftDevice and/or Bootloader and an Application. First, the
/// SoftDevice and/or Bootloader will be transferred, then the service will disconnect,
/// reconnect to the (new) Bootloader again and send the Application (unless the
/// target supports receiving all files in a single connection). The peripheral
/// will NOT be reconnected after the DFU is completed, aborted or has failed.
/// This method does not take control over the peripheral.
/// A new central manager is used, from which a copy of the peripheral is retrieved.
/// Be warned, that the original peripheral delegate may receive a lot of calls, and
/// it will restart during the process. The app should not send any data to DFU
/// characteristics when DFU is in progress.
/// The current version of the DFU Bootloader, due to memory limitations, may receive
/// together only a SoftDevice and Bootloader.
/// \param target The DFU target peripheral.
///
///
/// returns:
/// A <code>DFUServiceController</code> object that can be used to control the DFU
/// operation, or <code>nil</code>, if the file was not set, or the peripheral instance
/// could not be retrieved.
- (DFUServiceController * _Nullable)startWithTarget:(CBPeripheral * _Nonnull)target SWIFT_WARN_UNUSED_RESULT;
/// Starts sending the specified firmware to the DFU target with given identifier.
/// When started, the service will automatically connect to the target, switch to
/// DFU Bootloader mode (if necessary), and send all the content of the specified
/// firmware file in one or two connections. Two connections will be used if a ZIP
/// file contains a SoftDevice and/or Bootloader and an Application. First, the
/// SoftDevice and/or Bootloader will be transferred, then the service will disconnect,
/// reconnect to the (new) Bootloader again and send the Application (unless the
/// target supports receiving all files in a single connection). The peripheral
/// will NOT be reconnected after the DFU is completed, aborted or has failed.
/// This method does not take control over the peripheral.
/// A new central manager is used, from which a copy of the peripheral is retrieved.
/// Be warned, that the original peripheral delegate may receive a lot of calls, and
/// it will restart during the process. The app should not send any data to DFU
/// characteristics when DFU is in progress.
/// The current version of the DFU Bootloader, due to memory limitations, may receive
/// together only a SoftDevice and Bootloader.
/// \param uuid The UUID associated with the peer.
///
///
/// returns:
/// A DFUServiceController object that can be used to control the DFU
/// operation, or nil, if the file was not set, or the peripheral instance
/// could not be retrieved.
- (DFUServiceController * _Nullable)startWithTargetWithIdentifier:(NSUUID * _Nonnull)uuid SWIFT_WARN_UNUSED_RESULT;
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
@end

/// The state of the DFU Service.
/// <ul>
///   <li>
///     connecting:      Service is connecting to the DFU target.
///   </li>
///   <li>
///     starting:        DFU Service is initializing DFU operation.
///   </li>
///   <li>
///     enablingDfuMode: Service is switching the device to DFU mode.
///   </li>
///   <li>
///     uploading:       Service is uploading the firmware.
///   </li>
///   <li>
///     validating:      The DFU target is validating the firmware.
///   </li>
///   <li>
///     disconnecting:   The iDevice is disconnecting or waiting for disconnection.
///   </li>
///   <li>
///     completed:       DFU operation is completed and successful.
///   </li>
///   <li>
///     aborted:         DFU Operation was aborted.
///   </li>
/// </ul>
typedef SWIFT_ENUM(NSInteger, DFUState, closed) {
  DFUStateConnecting = 0,
  DFUStateStarting = 1,
  DFUStateEnablingDfuMode = 2,
  DFUStateUploading = 3,
  DFUStateValidating = 4,
  DFUStateDisconnecting = 5,
  DFUStateCompleted = 6,
  DFUStateAborted = 7,
};

enum DFUUuidType : NSInteger;

/// DFU UUID object.
SWIFT_CLASS("_TtC13iOSDFULibrary7DFUUuid")
@interface DFUUuid : NSObject
/// UUID For the DFU UUID Object.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull uuid;
/// Type of DFU UUID.
@property (nonatomic, readonly) enum DFUUuidType type;
- (nonnull instancetype)initWithUUID:(CBUUID * _Nonnull)withUUID forType:(enum DFUUuidType)forType OBJC_DESIGNATED_INITIALIZER;
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
@end


/// UUID Helper for DFU Process.
/// The UUID can be modified for each of the DFU types supported by
/// the Nordic devices.
SWIFT_CLASS("_TtC13iOSDFULibrary13DFUUuidHelper")
@interface DFUUuidHelper : NSObject
/// UUID for Legacy DFU Service.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull legacyDFUService;
/// UUID for Legacy DFU Control Point Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull legacyDFUControlPoint;
/// UUID for Legacy DFU Packet Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull legacyDFUPacket;
/// UUID for Legacy DFU Version Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull legacyDFUVersion;
/// UUID for Secure DFU Service.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull secureDFUService;
/// UUID for Secure DFU Control Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull secureDFUControlPoint;
/// UUID for Secure DFU Packet Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull secureDFUPacket;
/// UUID for Buttonless DFU Service.
/// This UUID is also used for the Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull buttonlessExperimentalService;
/// UUID for Buttonless DFU Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull buttonlessExperimentalCharacteristic;
/// UUID for Buttonless DFU Without Bond Sharing Characterisitic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull buttonlessWithoutBonds;
/// UUID for Buttonless DFU With Bond Sharing Characterisitic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull buttonlessWithBonds;
/// Creates the DFU Helper with Default UUIDs.
- (nonnull instancetype)init OBJC_DESIGNATED_INITIALIZER;
/// Create the DFU UUID Helper with Custom UUIDs.
/// \param uuids Array of Custom UUIDs.
///
- (nonnull instancetype)initWithCustomUuids:(NSArray<DFUUuid *> * _Nonnull)uuids;
@end


/// UUID Types for DFU.
typedef SWIFT_ENUM(NSInteger, DFUUuidType, closed) {
/// Legacy DFU Service.
  DFUUuidTypeLegacyService = 0,
/// Legacy DFU Control Point Characteristic.
  DFUUuidTypeLegacyControlPoint = 1,
/// Legacy DFU Packet Characteristic.
  DFUUuidTypeLegacyPacket = 2,
/// Legacy DFU Version Characteristic.
  DFUUuidTypeLegacyVersion = 3,
/// Secure DFU Service.
  DFUUuidTypeSecureService = 4,
/// Secure DFU Control Characteristic.
  DFUUuidTypeSecureControl = 5,
/// Secure DFU Packet Characteristic.
  DFUUuidTypeSecurePacket = 6,
/// Buttonless DFU Service.
  DFUUuidTypeButtonlessService = 7,
/// Buttonless DFU Characteristic.
  DFUUuidTypeButtonlessCharacteristic = 8,
/// Buttonless DFU Without Bond Sharing Characterisitic.
  DFUUuidTypeButtonlessWithoutBondSharing = 9,
/// Buttonless DFU With Bond Sharing Characterisitic.
  DFUUuidTypeButtonlessWithBondSharing = 10,
};


/// This converter converts Intel HEX file to BIN.
/// It is based on this specification:
/// http://www.interlog.com/~speff/usefulinfo/Hexfrmt.pdf
/// Not all Intel HEX features are supported!
/// The converter does not support gaps in the firmware. The returned
/// BIN contains data until the first found gap.
/// Supported Record Types:
/// <ul>
///   <li>
///     0x04 - Extended Linear Address Record
///   </li>
///   <li>
///     0x02 - Extended Segment Address Record
///   </li>
///   <li>
///     0x01 - End of File
///   </li>
///   <li>
///     0x00 - Data Record
///   </li>
/// </ul>
/// If MBR size is provided, the values from addresses 0..<MBR Size will
/// be ignored.
SWIFT_CLASS("_TtC13iOSDFULibrary21IntelHex2BinConverter")
@interface IntelHex2BinConverter : NSObject
- (nonnull instancetype)init OBJC_DESIGNATED_INITIALIZER;
@end



SWIFT_CLASS("_TtC13iOSDFULibrary25LegacyDFUServiceInitiator")
@interface LegacyDFUServiceInitiator : DFUServiceInitiator
- (DFUServiceController * _Nullable)startWithTargetWithIdentifier:(NSUUID * _Nonnull)uuid SWIFT_WARN_UNUSED_RESULT;
- (nonnull instancetype)initWithCentralManager:(CBCentralManager * _Nonnull)centralManager target:(CBPeripheral * _Nonnull)target OBJC_DESIGNATED_INITIALIZER SWIFT_DEPRECATED;
- (nonnull instancetype)initWithQueue:(dispatch_queue_t _Nullable)queue delegateQueue:(dispatch_queue_t _Nonnull)delegateQueue progressQueue:(dispatch_queue_t _Nonnull)progressQueue loggerQueue:(dispatch_queue_t _Nonnull)loggerQueue OBJC_DESIGNATED_INITIALIZER;
@end

/// Log level. Logger application may filter log entries based on their level.
/// Levels allow to ignore less important messages.
/// <ul>
///   <li>
///     Debug -       Lowest priority. Usually names of called methods or callbacks received.
///   </li>
///   <li>
///     Verbose -     Low priority messages what the service is doing.
///   </li>
///   <li>
///     Info -        Messages about completed tasks.
///   </li>
///   <li>
///     Application - Messages about application level events, in this case DFU messages
///     in human-readable form.
///   </li>
///   <li>
///     Warning -     Important messages.
///   </li>
///   <li>
///     Error -       Highest priority messages with errors.
///   </li>
/// </ul>
typedef SWIFT_ENUM(NSInteger, LogLevel, closed) {
  LogLevelDebug = 0,
  LogLevelVerbose = 1,
  LogLevelInfo = 5,
  LogLevelApplication = 10,
  LogLevelWarning = 15,
  LogLevelError = 20,
};


/// The Logger delegate.
SWIFT_PROTOCOL("_TtP13iOSDFULibrary14LoggerDelegate_")
@protocol LoggerDelegate
/// This method is called whenever a new log entry is to be saved. The logger
/// implementation should save this or present it to the user.
/// It is NOT safe to update any UI from this method as multiple threads may log.
/// \param level The log level.
///
/// \param message The message.
///
- (void)logWith:(enum LogLevel)level message:(NSString * _Nonnull)message;
@end


SWIFT_CLASS("_TtC13iOSDFULibrary25SecureDFUServiceInitiator")
@interface SecureDFUServiceInitiator : DFUServiceInitiator
- (DFUServiceController * _Nullable)startWithTargetWithIdentifier:(NSUUID * _Nonnull)uuid SWIFT_WARN_UNUSED_RESULT;
- (nonnull instancetype)initWithCentralManager:(CBCentralManager * _Nonnull)centralManager target:(CBPeripheral * _Nonnull)target OBJC_DESIGNATED_INITIALIZER SWIFT_DEPRECATED;
- (nonnull instancetype)initWithQueue:(dispatch_queue_t _Nullable)queue delegateQueue:(dispatch_queue_t _Nonnull)delegateQueue progressQueue:(dispatch_queue_t _Nonnull)progressQueue loggerQueue:(dispatch_queue_t _Nonnull)loggerQueue OBJC_DESIGNATED_INITIALIZER;
@end

#if __has_attribute(external_source_symbol)
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#elif defined(__ARM_ARCH_7S__) && __ARM_ARCH_7S__
// Generated by Apple Swift version 5.6 effective-4.1.50 (swiftlang-5.6.0.323.62 clang-1316.0.20.8)
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@import Dispatch;
@import Foundation;
@import ObjectiveC;
#endif

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# pragma pop_macro("any")
#endif



typedef SWIFT_ENUM(NSInteger, DFUError, closed) {
  DFUErrorRemoteLegacyDFUSuccess = 1,
  DFUErrorRemoteLegacyDFUInvalidState = 2,
  DFUErrorRemoteLegacyDFUNotSupported = 3,
  DFUErrorRemoteLegacyDFUDataExceedsLimit = 4,
  DFUErrorRemoteLegacyDFUCrcError = 5,
  DFUErrorRemoteLegacyDFUOperationFailed = 6,
  DFUErrorRemoteSecureDFUSuccess = 11,
  DFUErrorRemoteSecureDFUOpCodeNotSupported = 12,
  DFUErrorRemoteSecureDFUInvalidParameter = 13,
  DFUErrorRemoteSecureDFUInsufficientResources = 14,
  DFUErrorRemoteSecureDFUInvalidObject = 15,
  DFUErrorRemoteSecureDFUSignatureMismatch = 16,
  DFUErrorRemoteSecureDFUUnsupportedType = 17,
  DFUErrorRemoteSecureDFUOperationNotPermitted = 18,
  DFUErrorRemoteSecureDFUOperationFailed = 20,
  DFUErrorRemoteSecureDFUExtendedError = 21,
  DFUErrorRemoteExtendedErrorWrongCommandFormat = 22,
  DFUErrorRemoteExtendedErrorUnknownCommand = 23,
  DFUErrorRemoteExtendedErrorInitCommandInvalid = 24,
  DFUErrorRemoteExtendedErrorFwVersionFailure = 25,
  DFUErrorRemoteExtendedErrorHwVersionFailure = 26,
  DFUErrorRemoteExtendedErrorSdVersionFailure = 27,
  DFUErrorRemoteExtendedErrorSignatureMissing = 28,
  DFUErrorRemoteExtendedErrorWrongHashType = 29,
  DFUErrorRemoteExtendedErrorHashFailed = 30,
  DFUErrorRemoteExtendedErrorWrongSignatureType = 31,
  DFUErrorRemoteExtendedErrorVerificationFailed = 32,
  DFUErrorRemoteExtendedErrorInsufficientSpace = 33,
  DFUErrorRemoteExperimentalButtonlessDFUSuccess = 9001,
  DFUErrorRemoteExperimentalButtonlessDFUOpCodeNotSupported = 9002,
  DFUErrorRemoteExperimentalButtonlessDFUOperationFailed = 9004,
  DFUErrorRemoteButtonlessDFUSuccess = 91,
  DFUErrorRemoteButtonlessDFUOpCodeNotSupported = 92,
  DFUErrorRemoteButtonlessDFUOperationFailed = 94,
  DFUErrorRemoteButtonlessDFUInvalidAdvertisementName = 95,
  DFUErrorRemoteButtonlessDFUBusy = 96,
  DFUErrorRemoteButtonlessDFUNotBonded = 97,
/// Providing the DFUFirmware is required.
  DFUErrorFileNotSpecified = 101,
/// Given firmware file is not supported.
  DFUErrorFileInvalid = 102,
/// Since SDK 7.0.0 the DFU Bootloader requires the extended Init Packet.
/// For more details, see:
/// http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v11.0.0/bledfu_example_init.html?cp=4_0_0_4_2_1_1_3
  DFUErrorExtendedInitPacketRequired = 103,
/// Before SDK 7.0.0 the init packet could have contained only 2-byte CRC
/// value, and was optional. Providing an extended one instead would cause
/// CRC error during validation (the bootloader assumes that the 2 first
/// bytes of the init packet are the firmware CRC).
  DFUErrorInitPacketRequired = 104,
  DFUErrorFailedToConnect = 201,
  DFUErrorDeviceDisconnected = 202,
  DFUErrorBluetoothDisabled = 203,
  DFUErrorServiceDiscoveryFailed = 301,
  DFUErrorDeviceNotSupported = 302,
  DFUErrorReadingVersionFailed = 303,
  DFUErrorEnablingControlPointFailed = 304,
  DFUErrorWritingCharacteristicFailed = 305,
  DFUErrorReceivingNotificationFailed = 306,
  DFUErrorUnsupportedResponse = 307,
/// Error raised during upload when the number of bytes sent is not equal to
/// number of bytes confirmed in Packet Receipt Notification.
  DFUErrorBytesLost = 308,
/// Error raised when the CRC reported by the remote device does not match.
/// Service has done 3 attempts to send the data.
  DFUErrorCrcError = 309,
/// The service went into an invalid state. The service will try to close
/// without crashing. Recovery to a know state is not possible.
  DFUErrorInvalidInternalState = 500,
};

@class NSString;
@class NSURL;
@class DFUFirmwareSize;
enum DFUFirmwareType : uint8_t;
@class NSData;

/// The DFUFirmware object wraps the firmware file.
SWIFT_CLASS("_TtC13iOSDFULibrary11DFUFirmware")
@interface DFUFirmware : NSObject
/// The name of the firmware file.
@property (nonatomic, readonly, copy) NSString * _Nullable fileName;
/// The URL to the firmware file.
@property (nonatomic, readonly, copy) NSURL * _Nullable fileUrl;
/// Information whether the firmware was successfully initialized.
@property (nonatomic, readonly) BOOL valid;
/// The size of each component of the firmware.
@property (nonatomic, readonly, strong) DFUFirmwareSize * _Nonnull size;
/// Number of connectinos required to transfer the firmware.
/// This does not include the connection needed to switch to the DFU mode.
@property (nonatomic, readonly) NSInteger parts;
/// Creates the DFU Firmware object from a Distribution packet (ZIP).
/// Such file must contain a manifest.json file with firmware metadata and at
/// least one firmware binaries. Read more about the Distribution packet on
/// the DFU documentation.
/// \param urlToZipFile URL to the Distribution packet (ZIP).
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithUrlToZipFile:(NSURL * _Nonnull)urlToZipFile;
/// Creates the DFU Firmware object from a Distribution packet (ZIP).
/// Such file must contain a manifest.json file with firmware metadata and at
/// least one firmware binaries. Read more about the Distribution packet on
/// the DFU documentation.
/// \param urlToZipFile URL to the Distribution packet (ZIP).
///
/// \param type The type of the firmware to use.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithUrlToZipFile:(NSURL * _Nonnull)urlToZipFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
/// Creates the DFU Firmware object from a Distribution packet (ZIP).
/// Such file must contain a manifest.json file with firmware metadata and at
/// least one firmware binaries. Read more about the Distribution packet on
/// the DFU documentation.
/// \param zipFile The Distribution packet (ZIP) data.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithZipFile:(NSData * _Nonnull)zipFile;
/// Creates the DFU Firmware object from a Distribution packet (ZIP).
/// Such file must contain a manifest.json file with firmware metadata and at
/// least one firmware binaries. Read more about the Distribution packet on
/// the DFU documentation.
/// \param zipFile The Distribution packet (ZIP) data.
///
/// \param type The type of the firmware to use.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithZipFile:(NSData * _Nonnull)zipFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
/// Creates the DFU Firmware object from a BIN or HEX file. Setting the DAT
/// file with an Init packet is optional, but may be required by the bootloader
/// (SDK 7.0.0+).
/// \param urlToBinOrHexFile URL to a BIN or HEX file with the firmware.
///
/// \param urlToDatFile An optional URL to a DAT file with the Init packet.
///
/// \param type The type of the firmware.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithUrlToBinOrHexFile:(NSURL * _Nonnull)urlToBinOrHexFile urlToDatFile:(NSURL * _Nullable)urlToDatFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
/// Creates the DFU Firmware object from a BIN data. Setting the DAT
/// file with an Init packet is optional, but may be required by the bootloader
/// (SDK 7.0.0+).
/// \param binFile Content of the new firmware as BIN.
///
/// \param datFile An optional DAT file data with the Init packet.
///
/// \param type The type of the firmware.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithBinFile:(NSData * _Nonnull)binFile datFile:(NSData * _Nullable)datFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
/// Creates the DFU Firmware object from a HEX data. Setting the DAT
/// file with an Init packet is optional, but may be required by the bootloader
/// (SDK 7.0.0+).
/// \param hexFile Content of the HEX file containing new firmware.
///
/// \param datFile An optional DAT file data with the Init packet.
///
/// \param type The type of the firmware.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithHexFile:(NSData * _Nonnull)hexFile datFile:(NSData * _Nullable)datFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
@end


SWIFT_CLASS("_TtC13iOSDFULibrary15DFUFirmwareSize")
@interface DFUFirmwareSize : NSObject
/// Size of the softdevice in bytes.
/// If not even, add it to the bootloader size to get size of
/// softdevice_bootloader.bin.
@property (nonatomic, readonly) uint32_t softdevice;
/// Size of the bootloader in bytes.
/// If equal to 1 the ZIP contains SD+BL and size of SD or BL is not known exactly,
/// but their sum is known.
@property (nonatomic, readonly) uint32_t bootloader;
/// Size of the application in bytes.
@property (nonatomic, readonly) uint32_t application;
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
@end

/// The type of the BIN or HEX file, or selection of content from the Distribution
/// packet (ZIP) file.
/// Select <code>.softdeviceBootloaderApplication</code> to sent all files from the ZIP
/// (even it there is let’s say only application). This works as a filter.
/// If you have SD+BL+App in the ZIP, but want to send only App, you may set the
/// type to <code>.application</code>.
/// <ul>
///   <li>
///     softdevice:           Firmware file will be sent as a new SoftDevice.
///   </li>
///   <li>
///     bootloader:           Firmware file will be sent as a new Bootloader.
///   </li>
///   <li>
///     application:          Firmware file will be sent as a new Application.
///   </li>
///   <li>
///     softdeviceBootloader: Firmware file will be sent as a new SoftDevice + Bootloader.
///   </li>
///   <li>
///     softdeviceBootloaderApplication: All content of the ZIP file will be sent.
///   </li>
/// </ul>
typedef SWIFT_ENUM(uint8_t, DFUFirmwareType, closed) {
  DFUFirmwareTypeSoftdevice = 1,
  DFUFirmwareTypeBootloader = 2,
  DFUFirmwareTypeApplication = 4,
  DFUFirmwareTypeSoftdeviceBootloader = 3,
  DFUFirmwareTypeSoftdeviceBootloaderApplication = 7,
};

@class CBPeripheral;
@class NSNumber;
@class CBUUID;

/// The DFUPeripheralSelectorDelegate is used when both the Softdevice
/// (or Softdevice and Bootloader) and Application are going to be updated,
/// or when a peripheral is to be switched to the bootloader mode that will
/// change its address.
/// This library supports sending both BIN files from a ZIP Distribution
/// Packet automatically. However, when sending the Softdevice update, the
/// DFU Bootloader may remove the current application in order to make space
/// for the new Softdevice firmware (Legacy DFU, or Secure DFU with single
/// bank enabled when new SD+BL are larger then space available) or may
/// advertise in Bootloader mode for number of seconds (Secure DFU). When the
/// new Softdevice is flashed the bootloader restarts the device and starts
/// advertising in DFU Bootloader mode.
/// Since SDK 8.0.0, to solve caching problem on a host that is no bonded
/// (in case there is no Service Changed characteristic), the bootloader
/// starts to advertise with an address incremented by 1. The DFU Library has
/// to scan for a peripheral with this new address. However, as iOS does not
/// expose the device address in the public CoreBluetooth API, address matching,
/// used on Android, can not be used. Instead, this selector is used. The DFU
/// Service will start scanning for peripherals with a UUID filter, where the
/// list of required UUID is returned by the <code>filterBy(hint:)</code> method. If your
/// device in the Bootloader mode does not advertise with any service UUIDs,
/// or this is not enough, you may select a target device by their advertising
/// packet or RSSI using this delegate.
/// In SDK 14.0.0 a new feature was added to the Buttonless DFU for non-bonded
/// devices which allows to send a unique name to the device before it is
/// switched to bootloader mode. After jump, the bootloader will advertise
/// with this name as the Complete Local Name making it easy to select proper
/// device. In this case you don’t have to override the default peripheral
/// selector.
/// More: http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v14.0.0/service_dfu.html
SWIFT_PROTOCOL("_TtP13iOSDFULibrary29DFUPeripheralSelectorDelegate_")
@protocol DFUPeripheralSelectorDelegate
/// Returns whether the given peripheral is a device in DFU Bootloader mode.
/// \param peripheral The peripheral to be checked.
///
/// \param advertisementData Scanned advertising data.
///
/// \param RSSI Received signal strength indication in dBm.
///
/// \param name An optional name to look for in the
/// advertisement packet (see Buttonless DFU in SDK 14).
///
///
/// returns:
/// True (YES) if given peripheral is what service is looking for.
- (BOOL)select:(CBPeripheral * _Nonnull)peripheral advertisementData:(NSDictionary<NSString *, id> * _Nonnull)advertisementData RSSI:(NSNumber * _Nonnull)RSSI hint:(NSString * _Nullable)name SWIFT_WARN_UNUSED_RESULT;
/// Returns an optional list of services that the scanner will use to filter
/// advertising packets when scanning for a device in DFU Bootloader mode.
/// To find out what UUID you should return, switch your device to DFU Bootloader
/// mode (with a button!) and check the advertisment packet. The result of this
/// method will be applied to
/// <code>centralManager.scanForPeripheralsWithServices([CBUUID]?, options: [String : AnyObject]?)</code>.
/// \param dfuServiceUUID The UUID of the DFU service that was used to
/// flash SoftDevice and/or Bootloader. Usually, this
/// service UUID is present in the DFU Bootloader’s
/// advertising packet. Then this method may simply
/// return <code>[dfuServiceUUID]</code>.
///
///
/// returns:
/// An optional list of services or nil.
- (NSArray<CBUUID *> * _Nullable)filterByHint:(CBUUID * _Nonnull)dfuServiceUUID SWIFT_WARN_UNUSED_RESULT;
@end


/// The default selector.
/// Selects the first device with Legacy or Secure DFU Service UUID in the advertising packet.
SWIFT_CLASS("_TtC13iOSDFULibrary21DFUPeripheralSelector")
@interface DFUPeripheralSelector : NSObject <DFUPeripheralSelectorDelegate>
- (BOOL)select:(CBPeripheral * _Nonnull)peripheral advertisementData:(NSDictionary<NSString *, id> * _Nonnull)advertisementData RSSI:(NSNumber * _Nonnull)RSSI hint:(NSString * _Nullable)name SWIFT_WARN_UNUSED_RESULT;
- (NSArray<CBUUID *> * _Nullable)filterByHint:(CBUUID * _Nonnull)dfuServiceUUID SWIFT_WARN_UNUSED_RESULT;
- (nonnull instancetype)init OBJC_DESIGNATED_INITIALIZER;
@end



/// The progress delegates may be used to notify user about progress updates.
/// The only method of the delegate is only called when the service is in the
/// Uploading state.
SWIFT_PROTOCOL("_TtP13iOSDFULibrary19DFUProgressDelegate_")
@protocol DFUProgressDelegate
/// Callback called in the <code>State.Uploading</code> state. Gives detailed information
/// about the progress and speed of transmission. This method is always called
/// at least two times (for 0% and 100%) if upload has started and did not fail.
/// This method is called in the main thread and is safe to update any UI.
/// \param part Number of part that is currently being transmitted. Parts
/// start from 1 and may have value either 1 or 2. Part 2 is
/// used only when there were Soft Device and/or Bootloader AND
/// an Application in the Distribution Packet and the DFU target
/// does not support sending all files in a single connection.
/// First the SD and/or BL will be sent, then the service will
/// disconnect, reconnect again to the (new) bootloader and send
/// the Application.
///
/// \param totalParts Total number of parts that are to be send (this is always
/// equal to 1 or 2).
///
/// \param progress The current progress of uploading the current part in
/// percentage (values 0-100).
/// Each value will be called at most once - in case of a large
/// file a value e.g. 3% will be called only once, despite that
/// it will take more than one packet to reach 4%. In case of
/// a small firmware file some values may be ommited.
/// For example, if firmware file would be only 20 bytes you
/// would get a callback 0% (called always) and then 100% when done.
///
/// \param currentSpeedBytesPerSecond The current speed in bytes per second.
///
/// \param avgSpeedBytesPerSecond The average speed in bytes per second.
///
- (void)dfuProgressDidChangeFor:(NSInteger)part outOf:(NSInteger)totalParts to:(NSInteger)progress currentSpeedBytesPerSecond:(double)currentSpeedBytesPerSecond avgSpeedBytesPerSecond:(double)avgSpeedBytesPerSecond;
@end


SWIFT_CLASS("_TtC13iOSDFULibrary20DFUServiceController")
@interface DFUServiceController : NSObject
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
/// Call this method to pause uploading during the transmition process.
/// The transmition can be resumed only when connection remains. If service
/// has already started sending firmware data it will pause after receiving
/// next Packet Receipt Notification. Otherwise it will continue to send
/// Op Codes and pause before sending the first bytes of the firmware. With
/// Packet Receipt Notifications disabled it is the only moment when upload
/// may be paused.
- (void)pause;
/// Call this method to resume the paused transffer, otherwise does nothing.
- (void)resume;
/// Aborts the upload. The phone will disconnect from peripheral. The peripheral
/// will try to recover the last firmware. Might, restart in the Bootloader mode
/// if the application has been removed.
/// Abort (Reset) command will be sent instead of a next Op Code, or after receiving
/// a Packet Receipt Notification. It PRM procedure is disabled it will continue
/// until the whole firmware is sent and then Reset will be sent instead of Verify
/// Firmware op code.
///
/// returns:
/// <code>True</code> if DFU has been aborted; <code>false</code> otherwise.
- (BOOL)abort SWIFT_WARN_UNUSED_RESULT;
/// Starts again aborted DFU operation.
- (void)restart;
/// Returns <code>true</code> if DFU operation has been paused.
@property (nonatomic, readonly) BOOL paused;
/// Returns <code>true</code> if DFU operation has been aborted.
@property (nonatomic, readonly) BOOL aborted;
@end

enum DFUState : NSInteger;

/// The service delegate reports about state changes and errors.
SWIFT_PROTOCOL("_TtP13iOSDFULibrary18DFUServiceDelegate_")
@protocol DFUServiceDelegate
/// Callback called when state of the DFU Service has changed.
/// This method is called in the delegate queue specified in the
/// <code>DfuServiceInitiator</code>.
/// \param state The new state fo the service.
///
- (void)dfuStateDidChangeTo:(enum DFUState)state;
/// Called after an error occurred. The device will be disconnected and DFU
/// operation has been aborted.
/// This method is called in the delegate queue specified in the
/// <code>DfuServiceInitiator</code>.
/// \param error The error code.
///
/// \param message Error description.
///
- (void)dfuError:(enum DFUError)error didOccurWithMessage:(NSString * _Nonnull)message;
@end

@protocol LoggerDelegate;
@class DFUUuidHelper;
@class CBCentralManager;
@class NSUUID;

/// The DFUServiceInitiator object should be used to send a firmware update to
/// a remote BLE target compatible with the Nordic Semiconductor’s DFU (Device
/// Firmware Update).
/// A <code>delegate</code>, <code>progressDelegate</code> and <code>logger</code> may be specified in order to
/// receive status information.
SWIFT_CLASS("_TtC13iOSDFULibrary19DFUServiceInitiator")
@interface DFUServiceInitiator : NSObject
/// The service delegate is an object that will be notified about state changes
/// of the DFU Service. Setting it is optional but recommended.
@property (nonatomic, weak) id <DFUServiceDelegate> _Nullable delegate;
/// An optional progress delegate will be called only during upload. It notifies
/// about current upload percentage and speed.
@property (nonatomic, weak) id <DFUProgressDelegate> _Nullable progressDelegate;
/// The logger is an object that should print given messages to the user.
/// It is optional.
@property (nonatomic, weak) id <LoggerDelegate> _Nullable logger;
/// The selector object is used when the device needs to disconnect and start
/// advertising with a different address to avoid caching problems, for example
/// after switching to the Bootloader mode, or during sending a firmware containing
/// a Softdevice (or Softdevice and Bootloader) and the Application.
/// After flashing the first part (containing the Softdevice), the device restarts
/// in the DFU Bootloader mode and may (since SDK 8.0.0) start advertising with an
/// address incremented by 1. The peripheral specified in the <code>init</code> may no longer
/// be used as there is no device advertising with its address.
/// The DFU Service will scan for a new device and connect to the first device
/// returned by the selector.
/// The default selecter returns the first device with the required DFU Service
/// UUID in the advertising packet (Secure or Legacy DFU Service UUID).
/// Ignore this property if not updating Softdevice and Application from one ZIP
/// file.
@property (nonatomic, strong) id <DFUPeripheralSelectorDelegate> _Nonnull peripheralSelector;
/// The number of packets of firmware data to be received by the DFU target before
/// sending a new Packet Receipt Notification. If this value is 0, the packet receipt
/// notification will be disabled by the DFU target. Default value is 12.
/// PRNs are no longer required on iOS 11 and MacOS 10.13 or newer, but make sure
/// your device is able to be updated without. Old SDKs, before SDK 7 had very slow
/// memory management and could not handle packets that fast. If your device
/// is based on such SDK it is recommended to leave the default value.
/// Disabling PRNs on iPhone 8 with iOS 11.1.2 increased the speed from 1.7 KB/s to 2.7 KB/s
/// on DFU from SDK 14.1 where packet size is 20 bytes (higher MTU not supported yet).
/// On older versions, higher values of PRN (~20+), or disabling it, may speed up
/// the upload process, but also cause a buffer overflow and hang the Bluetooth adapter.
/// Maximum verified values were 29 for iPhone 6 Plus or 22 for iPhone 7, both iOS 10.1.
@property (nonatomic) uint16_t packetReceiptNotificationParameter;
/// Setting this property to true will prevent from jumping to the DFU Bootloader
/// mode in case there is no DFU Version characteristic. Use it if the DFU operation
/// can be handled by your device running in the application mode. If the DFU Version
/// characteristic exists, the information whether to begin DFU operation, or jump to
/// bootloader, is taken from the characteristic’s value. The value returned equal to
/// 0x0100 (read as: minor=1, major=0, or version 0.1) means that the device is in the
/// application mode and buttonless jump to DFU Bootloader is supported.
/// Currently, the following values of the DFU Version characteristic are supported:
/// <em>No DFU Version characteristic</em> - one of the first implementations of DFU Service.
/// The device may support only Application update (version from SDK 4.3.0), may support
/// Soft Device, Bootloader and Application update but without buttonless jump to
/// bootloader (SDK 6.0.0) or with buttonless jump (SDK 6.1.0).
/// The DFU Library determines whether the device is in application mode or in DFU
/// Bootloader mode by counting number of services: if no DFU Service found - device
/// is in app mode and does not support buttonless jump, if the DFU Service is the only
/// service found (except General Access and General Attribute services) - it assumes
/// it is in DFU Bootloader mode and may start DFU immediately, if there is at least
/// one service except DFU Service - the device is in application mode and supports
/// buttonless jump. In the lase case, you want to perform DFU operation without
/// jumping - set the <code>forceDfu</code> property to <code>true</code>.
/// <em>0.1</em> - Device is in a mode that supports buttonless jump to the DFU Bootloader.
/// <em>0.5</em> - Device can handle DFU operation. Extended Init packet is required.
/// Bond information is lost in the bootloader mode and after updating an app.
/// Released in SDK 7.0.0.
/// <em>0.6</em> - Bond information is kept in bootloader mode and may be kept after
/// updating application (DFU Bootloader must be configured to preserve the bond
/// information).
/// <em>0.7</em> - The SHA-256 firmware hash is used in the Extended Init Packet instead
/// of CRC-16. This feature is transparent for the DFU Service.
/// <em>0.8</em> - The Extended Init Packet is signed using the private key. The bootloader,
/// using the public key, is able to verify the content. Released in SDK 9.0.0 as
/// experimental feature.
/// Caution! The firmware type (Application, Bootloader, SoftDevice or SoftDevice +
/// Bootloader) is not encrypted as it is not a part of the Extended Init Packet.
/// A change in the protocol will be required to fix this issue.
/// By default the DFU Library will try to switch the device to the DFU Bootloader
/// mode if it finds more services then one (DFU Service). It assumes it is already
/// in the bootloader mode if the only service found is the DFU Service. Setting the
/// forceDfu to true (YES) will prevent from jumping in these both cases.
/// important:
/// Legacy DFU only.
@property (nonatomic) BOOL forceDfu;
/// By default, the Legacy DFU bootloader starting from SDK 7.1, when enabled using
/// buttonless service, advertises with the same Bluetooth address as the application
/// using direct advertisement. This complies with the Bluetooth specification.
/// However, starting from iOS 13.x, iPhones and iPads use random addresses on each
/// connection and do not expect direct advertising unless bonded. This causes thiose
/// packets being missed and not reported to the library, making reconnection to the
/// bootloader and proceeding with DFU impossible.
/// A solution requires modifying either the bootloader not to use the direct advertising,
/// or the application not to share the peer data with bootloader, in which case it will
/// advertise undirectly using address +1, like it does when the switch to bootloader mode
/// is initiated with a button. After such modification, setting this flag to true will make the
/// library scan for the bootloader using <code>DFUPeripheralSelector</code>.
/// Setting this flag to true without modifying the booloader behavior will break the DFU,
/// as the direct advertising packets are empty and will not pass the default
/// <code>DFUPeripheralSelector</code>.
/// since:
/// 4.8.0
@property (nonatomic) BOOL forceScanningForNewAddressInLegacyDfu;
/// Connection timeout.
/// When the DFU target does not connect before the time runs out, a timeout error
/// is reported.
/// since:
/// 4.8.0
@property (nonatomic) NSTimeInterval connectionTimeout;
/// Duration of a delay, that the service will wait before sending each data object in
/// Secure DFU. The delay will be done after a data object is created, and before
/// any data byte is sent. The default value is 0, which disables this feature for the
/// second and following data objects, but the first one will be delayed by 0.4 sec.
/// It has been found, that a delay of at least 0.3 sec reduces the risk of packet lose
/// (the bootloader needs some time to prepare flash memory) on DFU bootloader from
/// SDK 15, 16 and 17. The delay does not have to be longer than 0.4 sec, as according to
/// performed tests, such delay is sufficient.
/// The longer the delay, the more time DFU will take to complete (delay will be repeated for
/// each data object (4096 bytes)). However, with too small delay a packet lose may occur,
/// causing the service to enable PRN and set them to 1 making DFU process very, very slow
/// (but reliable).
/// The recommended delay is from 0.3 to 0.4 second if your DFU bootloader is from
/// SDK 15, 16 or 17. Older bootloaders do not need this delay.
/// This variable is ignored in Legacy DFU.
/// since:
/// 4.8.0
@property (nonatomic) NSTimeInterval dataObjectPreparationDelay;
/// In SDK 14.0.0 a new feature was added to the Buttonless DFU for non-bonded
/// devices which allows to send a unique name to the device before it is switched
/// to bootloader mode. After jump, the bootloader will advertise with this name
/// as the Complete Local Name making it easy to select proper device. In this case
/// you don’t have to override the default peripheral selector.
/// Read more:
/// http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v14.0.0/service_dfu.html
/// Setting this flag to false you will disable this feature. iOS DFU Library will
/// not send the 0x02-[len]-[new name] command prior jumping and will rely on the DfuPeripheralSelectorDelegate just like it used to in previous SDK.
/// This flag is ignored in Legacy DFU.
/// <em>It is recommended to keep this flag set to true unless necessary.</em>
/// For more information read:
/// https://github.com/NordicSemiconductor/IOS-nRF-Connect/issues/16
@property (nonatomic) BOOL alternativeAdvertisingNameEnabled;
/// If <code>alternativeAdvertisingNameEnabled</code> is <code>true</code> then this specifies the
/// alternative name to use. If nil (default) then a random name is generated.
/// The maximum length of the alertnative advertising name is 20 bytes.
/// Longer name will be trundated. UTF-8 characters can be cut in the middle.
@property (nonatomic, copy) NSString * _Nullable alternativeAdvertisingName;
/// Set this flag to true to enable experimental buttonless feature in Secure DFU.
/// When the experimental Buttonless DFU Service is found on a device, the service
/// will use it to switch the device to the bootloader mode, connect to it in that
/// mode and proceed with DFU.
/// <em>Please, read the information below before setting it to true.</em>
/// In the SDK 12.x the Buttonless DFU feature for Secure DFU was experimental.
/// It is NOT recommended to use it: it was not properly tested, had implementation bugs
/// (e.g. https://devzone.nordicsemi.com/question/100609/sdk-12-bootloader-erased-after-programming/)
/// and does not required encryption and therefore may lead to DOS attack (anyone can
/// use it to switch the device to bootloader mode). However, as there is no other way
/// to trigger bootloader mode on devices without a button, this DFU Library supports
/// this service, but the feature must be explicitly enabled here. Be aware, that setting
/// this flag to false will no protect your devices from this kind of attacks, as
/// an attacker may use another app for that purpose. To be sure your device is secure
/// remove this experimental service from your device.
/// Spec:
/// Buttonless DFU Service UUID: 8E400001-F315-4F60-9FB8-838830DAEA50
/// Buttonless DFU characteristic UUID: 8E400001-F315-4F60-9FB8-838830DAEA50 (the same)
/// Enter Bootloader Op Code: 0x01
/// Correct return value: 0x20-01-01 , where:
/// 0x20 - Response Op Code
/// 0x01 - Request Code
/// 0x01 - Success
/// The device should disconnect and restart in DFU mode after sending the notification.
/// In SDK 13 this issue was be fixed by a proper implementation (bonding required,
/// passing bond information to the bootloader, encryption, well tested).
/// It is recommended to use this new service.
@property (nonatomic) BOOL enableUnsafeExperimentalButtonlessServiceInSecureDfu;
/// UUIDs used during the DFU Process.
/// This allows you to pass in Custom UUIDs for the DFU Service/Characteristics.
@property (nonatomic, strong) DFUUuidHelper * _Nonnull uuidHelper;
/// Disable the ability for the DFU process to resume from where it was.
/// since:
/// 4.3.0
@property (nonatomic) BOOL disableResume;
/// Creates the DFUServiceInitializer that will allow to send an update to the given
/// peripheral.
/// This constructor takes control over the central manager and peripheral objects.
/// Their delegates will be set to internal library objects and will NOT be reverted to
/// original objects, instead they will be set to nil when DFU is complete, aborted or
/// has failed with an error. An app should restore the delegates (if needed) after
/// receiving .completed or .aborted DFUState, or receiving an error.
/// important:
/// This constructor has been deprecated in favor of <code>init(target: CBPeripheral)</code>,
/// which does not take control over the give peripheral, and is using a copy instead.
/// seealso:
/// peripheralSelector property - a selector used when scanning for a device
/// in DFU Bootloader mode in case you want to update a Softdevice and
/// Application from a single ZIP Distribution Packet.
/// \param centralManager Manager that will be used to connect to the peripheral
///
/// \param target The DFU target peripheral.
///
///
/// returns:
/// The initiator instance.
- (nonnull instancetype)initWithCentralManager:(CBCentralManager * _Nonnull)centralManager target:(CBPeripheral * _Nonnull)target OBJC_DESIGNATED_INITIALIZER SWIFT_DEPRECATED_MSG("Use init(queue: DispatchQueue?) instead.");
/// Creates the DFUServiceInitializer that will allow to send an update to peripherals.
/// version:
/// Added in version 4.2 of the iOS DFU Library. Extended in 4.3 to allow
/// setting delegate queues.
/// seealso:
/// peripheralSelector property - a selector used when scanning for a
/// device in DFU Bootloader mode in case you want to update a Softdevice
/// and Application from a single ZIP Distribution Packet.
/// \param queue The dispatch queue to run BLE operations on.
///
/// \param delegateQueue The dispatch queue to invoke all delegate callbacks on.
///
/// \param progressQueue The dispatch queue to invoke all progress delegate
/// callbacks on.
///
/// \param loggerQueue The dispatch queue to invoke all logger events on.
///
///
/// returns:
/// The initiator instance.
- (nonnull instancetype)initWithQueue:(dispatch_queue_t _Nullable)queue delegateQueue:(dispatch_queue_t _Nonnull)delegateQueue progressQueue:(dispatch_queue_t _Nonnull)progressQueue loggerQueue:(dispatch_queue_t _Nonnull)loggerQueue OBJC_DESIGNATED_INITIALIZER;
/// Sets the file with the firmware. The file must be specified before calling
/// <code>start(...)</code> method.
/// \param file The firmware wrapper object.
///
///
/// returns:
/// The initiator instance to allow chain use.
- (DFUServiceInitiator * _Nonnull)withFirmware:(DFUFirmware * _Nonnull)file SWIFT_WARN_UNUSED_RESULT;
/// Starts sending the specified firmware to the DFU target specified in
/// <code>init(centralManager:target)</code>. When started, the service will automatically
/// connect to the target, switch to DFU Bootloader mode (if necessary), and
/// send all the content of the specified firmware file in one or two connections.
/// Two connections will be used if a ZIP file contains a Soft Device and/or
/// Bootloader and an Application. First the Soft Device and/or Bootloader will
/// be transferred, then the service will disconnect, reconnect to the (new)
/// Bootloader again and send the Application (unless the target supports
/// receiving all files in a single connection). The peripheral will NOT be
/// reconnected after the DFU is completed, aborted or has failed.
/// The current version of the DFU Bootloader, due to memory limitations, may
/// receive together only a Softdevice and Bootloader.
/// important:
/// Use <code>start(target: CBPeripheral)</code> instead.
///
/// returns:
/// A DFUServiceController object that can be used to control the
/// DFU operation, or <code>nil</code>, if the file was not set, or the target
/// peripheral was not set.
- (DFUServiceController * _Nullable)start SWIFT_WARN_UNUSED_RESULT SWIFT_DEPRECATED_MSG("Use start(target: CBPeripheral) instead.");
/// Starts sending the specified firmware to the given DFU target.
/// When started, the service will automatically connect to the target, switch to
/// DFU Bootloader mode (if necessary), and send all the content of the specified
/// firmware file in one or two connections. Two connections will be used if a ZIP
/// file contains a SoftDevice and/or Bootloader and an Application. First, the
/// SoftDevice and/or Bootloader will be transferred, then the service will disconnect,
/// reconnect to the (new) Bootloader again and send the Application (unless the
/// target supports receiving all files in a single connection). The peripheral
/// will NOT be reconnected after the DFU is completed, aborted or has failed.
/// This method does not take control over the peripheral.
/// A new central manager is used, from which a copy of the peripheral is retrieved.
/// Be warned, that the original peripheral delegate may receive a lot of calls, and
/// it will restart during the process. The app should not send any data to DFU
/// characteristics when DFU is in progress.
/// The current version of the DFU Bootloader, due to memory limitations, may receive
/// together only a SoftDevice and Bootloader.
/// \param target The DFU target peripheral.
///
///
/// returns:
/// A <code>DFUServiceController</code> object that can be used to control the DFU
/// operation, or <code>nil</code>, if the file was not set, or the peripheral instance
/// could not be retrieved.
- (DFUServiceController * _Nullable)startWithTarget:(CBPeripheral * _Nonnull)target SWIFT_WARN_UNUSED_RESULT;
/// Starts sending the specified firmware to the DFU target with given identifier.
/// When started, the service will automatically connect to the target, switch to
/// DFU Bootloader mode (if necessary), and send all the content of the specified
/// firmware file in one or two connections. Two connections will be used if a ZIP
/// file contains a SoftDevice and/or Bootloader and an Application. First, the
/// SoftDevice and/or Bootloader will be transferred, then the service will disconnect,
/// reconnect to the (new) Bootloader again and send the Application (unless the
/// target supports receiving all files in a single connection). The peripheral
/// will NOT be reconnected after the DFU is completed, aborted or has failed.
/// This method does not take control over the peripheral.
/// A new central manager is used, from which a copy of the peripheral is retrieved.
/// Be warned, that the original peripheral delegate may receive a lot of calls, and
/// it will restart during the process. The app should not send any data to DFU
/// characteristics when DFU is in progress.
/// The current version of the DFU Bootloader, due to memory limitations, may receive
/// together only a SoftDevice and Bootloader.
/// \param uuid The UUID associated with the peer.
///
///
/// returns:
/// A DFUServiceController object that can be used to control the DFU
/// operation, or nil, if the file was not set, or the peripheral instance
/// could not be retrieved.
- (DFUServiceController * _Nullable)startWithTargetWithIdentifier:(NSUUID * _Nonnull)uuid SWIFT_WARN_UNUSED_RESULT;
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
@end

/// The state of the DFU Service.
/// <ul>
///   <li>
///     connecting:      Service is connecting to the DFU target.
///   </li>
///   <li>
///     starting:        DFU Service is initializing DFU operation.
///   </li>
///   <li>
///     enablingDfuMode: Service is switching the device to DFU mode.
///   </li>
///   <li>
///     uploading:       Service is uploading the firmware.
///   </li>
///   <li>
///     validating:      The DFU target is validating the firmware.
///   </li>
///   <li>
///     disconnecting:   The iDevice is disconnecting or waiting for disconnection.
///   </li>
///   <li>
///     completed:       DFU operation is completed and successful.
///   </li>
///   <li>
///     aborted:         DFU Operation was aborted.
///   </li>
/// </ul>
typedef SWIFT_ENUM(NSInteger, DFUState, closed) {
  DFUStateConnecting = 0,
  DFUStateStarting = 1,
  DFUStateEnablingDfuMode = 2,
  DFUStateUploading = 3,
  DFUStateValidating = 4,
  DFUStateDisconnecting = 5,
  DFUStateCompleted = 6,
  DFUStateAborted = 7,
};

enum DFUUuidType : NSInteger;

/// DFU UUID object.
SWIFT_CLASS("_TtC13iOSDFULibrary7DFUUuid")
@interface DFUUuid : NSObject
/// UUID For the DFU UUID Object.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull uuid;
/// Type of DFU UUID.
@property (nonatomic, readonly) enum DFUUuidType type;
- (nonnull instancetype)initWithUUID:(CBUUID * _Nonnull)withUUID forType:(enum DFUUuidType)forType OBJC_DESIGNATED_INITIALIZER;
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
@end


/// UUID Helper for DFU Process.
/// The UUID can be modified for each of the DFU types supported by
/// the Nordic devices.
SWIFT_CLASS("_TtC13iOSDFULibrary13DFUUuidHelper")
@interface DFUUuidHelper : NSObject
/// UUID for Legacy DFU Service.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull legacyDFUService;
/// UUID for Legacy DFU Control Point Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull legacyDFUControlPoint;
/// UUID for Legacy DFU Packet Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull legacyDFUPacket;
/// UUID for Legacy DFU Version Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull legacyDFUVersion;
/// UUID for Secure DFU Service.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull secureDFUService;
/// UUID for Secure DFU Control Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull secureDFUControlPoint;
/// UUID for Secure DFU Packet Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull secureDFUPacket;
/// UUID for Buttonless DFU Service.
/// This UUID is also used for the Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull buttonlessExperimentalService;
/// UUID for Buttonless DFU Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull buttonlessExperimentalCharacteristic;
/// UUID for Buttonless DFU Without Bond Sharing Characterisitic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull buttonlessWithoutBonds;
/// UUID for Buttonless DFU With Bond Sharing Characterisitic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull buttonlessWithBonds;
/// Creates the DFU Helper with Default UUIDs.
- (nonnull instancetype)init OBJC_DESIGNATED_INITIALIZER;
/// Create the DFU UUID Helper with Custom UUIDs.
/// \param uuids Array of Custom UUIDs.
///
- (nonnull instancetype)initWithCustomUuids:(NSArray<DFUUuid *> * _Nonnull)uuids;
@end


/// UUID Types for DFU.
typedef SWIFT_ENUM(NSInteger, DFUUuidType, closed) {
/// Legacy DFU Service.
  DFUUuidTypeLegacyService = 0,
/// Legacy DFU Control Point Characteristic.
  DFUUuidTypeLegacyControlPoint = 1,
/// Legacy DFU Packet Characteristic.
  DFUUuidTypeLegacyPacket = 2,
/// Legacy DFU Version Characteristic.
  DFUUuidTypeLegacyVersion = 3,
/// Secure DFU Service.
  DFUUuidTypeSecureService = 4,
/// Secure DFU Control Characteristic.
  DFUUuidTypeSecureControl = 5,
/// Secure DFU Packet Characteristic.
  DFUUuidTypeSecurePacket = 6,
/// Buttonless DFU Service.
  DFUUuidTypeButtonlessService = 7,
/// Buttonless DFU Characteristic.
  DFUUuidTypeButtonlessCharacteristic = 8,
/// Buttonless DFU Without Bond Sharing Characterisitic.
  DFUUuidTypeButtonlessWithoutBondSharing = 9,
/// Buttonless DFU With Bond Sharing Characterisitic.
  DFUUuidTypeButtonlessWithBondSharing = 10,
};


/// This converter converts Intel HEX file to BIN.
/// It is based on this specification:
/// http://www.interlog.com/~speff/usefulinfo/Hexfrmt.pdf
/// Not all Intel HEX features are supported!
/// The converter does not support gaps in the firmware. The returned
/// BIN contains data until the first found gap.
/// Supported Record Types:
/// <ul>
///   <li>
///     0x04 - Extended Linear Address Record
///   </li>
///   <li>
///     0x02 - Extended Segment Address Record
///   </li>
///   <li>
///     0x01 - End of File
///   </li>
///   <li>
///     0x00 - Data Record
///   </li>
/// </ul>
/// If MBR size is provided, the values from addresses 0..<MBR Size will
/// be ignored.
SWIFT_CLASS("_TtC13iOSDFULibrary21IntelHex2BinConverter")
@interface IntelHex2BinConverter : NSObject
- (nonnull instancetype)init OBJC_DESIGNATED_INITIALIZER;
@end



SWIFT_CLASS("_TtC13iOSDFULibrary25LegacyDFUServiceInitiator")
@interface LegacyDFUServiceInitiator : DFUServiceInitiator
- (DFUServiceController * _Nullable)startWithTargetWithIdentifier:(NSUUID * _Nonnull)uuid SWIFT_WARN_UNUSED_RESULT;
- (nonnull instancetype)initWithCentralManager:(CBCentralManager * _Nonnull)centralManager target:(CBPeripheral * _Nonnull)target OBJC_DESIGNATED_INITIALIZER SWIFT_DEPRECATED;
- (nonnull instancetype)initWithQueue:(dispatch_queue_t _Nullable)queue delegateQueue:(dispatch_queue_t _Nonnull)delegateQueue progressQueue:(dispatch_queue_t _Nonnull)progressQueue loggerQueue:(dispatch_queue_t _Nonnull)loggerQueue OBJC_DESIGNATED_INITIALIZER;
@end

/// Log level. Logger application may filter log entries based on their level.
/// Levels allow to ignore less important messages.
/// <ul>
///   <li>
///     Debug -       Lowest priority. Usually names of called methods or callbacks received.
///   </li>
///   <li>
///     Verbose -     Low priority messages what the service is doing.
///   </li>
///   <li>
///     Info -        Messages about completed tasks.
///   </li>
///   <li>
///     Application - Messages about application level events, in this case DFU messages
///     in human-readable form.
///   </li>
///   <li>
///     Warning -     Important messages.
///   </li>
///   <li>
///     Error -       Highest priority messages with errors.
///   </li>
/// </ul>
typedef SWIFT_ENUM(NSInteger, LogLevel, closed) {
  LogLevelDebug = 0,
  LogLevelVerbose = 1,
  LogLevelInfo = 5,
  LogLevelApplication = 10,
  LogLevelWarning = 15,
  LogLevelError = 20,
};


/// The Logger delegate.
SWIFT_PROTOCOL("_TtP13iOSDFULibrary14LoggerDelegate_")
@protocol LoggerDelegate
/// This method is called whenever a new log entry is to be saved. The logger
/// implementation should save this or present it to the user.
/// It is NOT safe to update any UI from this method as multiple threads may log.
/// \param level The log level.
///
/// \param message The message.
///
- (void)logWith:(enum LogLevel)level message:(NSString * _Nonnull)message;
@end


SWIFT_CLASS("_TtC13iOSDFULibrary25SecureDFUServiceInitiator")
@interface SecureDFUServiceInitiator : DFUServiceInitiator
- (DFUServiceController * _Nullable)startWithTargetWithIdentifier:(NSUUID * _Nonnull)uuid SWIFT_WARN_UNUSED_RESULT;
- (nonnull instancetype)initWithCentralManager:(CBCentralManager * _Nonnull)centralManager target:(CBPeripheral * _Nonnull)target OBJC_DESIGNATED_INITIALIZER SWIFT_DEPRECATED;
- (nonnull instancetype)initWithQueue:(dispatch_queue_t _Nullable)queue delegateQueue:(dispatch_queue_t _Nonnull)delegateQueue progressQueue:(dispatch_queue_t _Nonnull)progressQueue loggerQueue:(dispatch_queue_t _Nonnull)loggerQueue OBJC_DESIGNATED_INITIALIZER;
@end

#if __has_attribute(external_source_symbol)
# pragma clang attribute pop
#endif
#pragma clang diagnostic pop
#endif

#elif defined(__ARM_ARCH_7A__) && __ARM_ARCH_7A__
// Generated by Apple Swift version 5.6 effective-4.1.50 (swiftlang-5.6.0.323.62 clang-1316.0.20.8)
#ifndef IOSDFULIBRARY_SWIFT_H
#define IOSDFULIBRARY_SWIFT_H
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wgcc-compat"

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# define __has_warning(x) 0
#endif

#if __has_include(<swift/objc-prologue.h>)
# include <swift/objc-prologue.h>
#endif

#pragma clang diagnostic ignored "-Wauto-import"
#include <Foundation/Foundation.h>
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>

#if !defined(SWIFT_TYPEDEFS)
# define SWIFT_TYPEDEFS 1
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typedef unsigned int swift_uint4  __attribute__((__ext_vector_type__(4)));
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#  define SWIFT_CLASS(SWIFT_NAME) SWIFT_RUNTIME_NAME(SWIFT_NAME) __attribute__((objc_subclassing_restricted)) SWIFT_CLASS_EXTRA
#  define SWIFT_CLASS_NAMED(SWIFT_NAME) __attribute__((objc_subclassing_restricted)) SWIFT_COMPILE_NAME(SWIFT_NAME) SWIFT_CLASS_EXTRA
# else
#  define SWIFT_CLASS(SWIFT_NAME) SWIFT_RUNTIME_NAME(SWIFT_NAME) SWIFT_CLASS_EXTRA
#  define SWIFT_CLASS_NAMED(SWIFT_NAME) SWIFT_COMPILE_NAME(SWIFT_NAME) SWIFT_CLASS_EXTRA
# endif
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#  define SWIFT_RESILIENT_CLASS_NAMED(SWIFT_NAME) SWIFT_CLASS_NAMED(SWIFT_NAME)
# endif
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# define SWIFT_PROTOCOL(SWIFT_NAME) SWIFT_RUNTIME_NAME(SWIFT_NAME) SWIFT_PROTOCOL_EXTRA
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# endif
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# define SWIFT_ENUM(_type, _name, _extensibility) enum _name : _type _name; enum SWIFT_ENUM_ATTR(_extensibility) SWIFT_ENUM_EXTRA _name : _type
# if __has_feature(generalized_swift_name)
#  define SWIFT_ENUM_NAMED(_type, _name, SWIFT_NAME, _extensibility) enum _name : _type _name SWIFT_COMPILE_NAME(SWIFT_NAME); enum SWIFT_COMPILE_NAME(SWIFT_NAME) SWIFT_ENUM_ATTR(_extensibility) SWIFT_ENUM_EXTRA _name : _type
# else
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@import Dispatch;
@import Foundation;
@import ObjectiveC;
#endif

#pragma clang diagnostic ignored "-Wproperty-attribute-mismatch"
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#if __has_attribute(external_source_symbol)
# pragma push_macro("any")
# undef any
# pragma clang attribute push(__attribute__((external_source_symbol(language="Swift", defined_in="iOSDFULibrary",generated_declaration))), apply_to=any(function,enum,objc_interface,objc_category,objc_protocol))
# pragma pop_macro("any")
#endif



typedef SWIFT_ENUM(NSInteger, DFUError, closed) {
  DFUErrorRemoteLegacyDFUSuccess = 1,
  DFUErrorRemoteLegacyDFUInvalidState = 2,
  DFUErrorRemoteLegacyDFUNotSupported = 3,
  DFUErrorRemoteLegacyDFUDataExceedsLimit = 4,
  DFUErrorRemoteLegacyDFUCrcError = 5,
  DFUErrorRemoteLegacyDFUOperationFailed = 6,
  DFUErrorRemoteSecureDFUSuccess = 11,
  DFUErrorRemoteSecureDFUOpCodeNotSupported = 12,
  DFUErrorRemoteSecureDFUInvalidParameter = 13,
  DFUErrorRemoteSecureDFUInsufficientResources = 14,
  DFUErrorRemoteSecureDFUInvalidObject = 15,
  DFUErrorRemoteSecureDFUSignatureMismatch = 16,
  DFUErrorRemoteSecureDFUUnsupportedType = 17,
  DFUErrorRemoteSecureDFUOperationNotPermitted = 18,
  DFUErrorRemoteSecureDFUOperationFailed = 20,
  DFUErrorRemoteSecureDFUExtendedError = 21,
  DFUErrorRemoteExtendedErrorWrongCommandFormat = 22,
  DFUErrorRemoteExtendedErrorUnknownCommand = 23,
  DFUErrorRemoteExtendedErrorInitCommandInvalid = 24,
  DFUErrorRemoteExtendedErrorFwVersionFailure = 25,
  DFUErrorRemoteExtendedErrorHwVersionFailure = 26,
  DFUErrorRemoteExtendedErrorSdVersionFailure = 27,
  DFUErrorRemoteExtendedErrorSignatureMissing = 28,
  DFUErrorRemoteExtendedErrorWrongHashType = 29,
  DFUErrorRemoteExtendedErrorHashFailed = 30,
  DFUErrorRemoteExtendedErrorWrongSignatureType = 31,
  DFUErrorRemoteExtendedErrorVerificationFailed = 32,
  DFUErrorRemoteExtendedErrorInsufficientSpace = 33,
  DFUErrorRemoteExperimentalButtonlessDFUSuccess = 9001,
  DFUErrorRemoteExperimentalButtonlessDFUOpCodeNotSupported = 9002,
  DFUErrorRemoteExperimentalButtonlessDFUOperationFailed = 9004,
  DFUErrorRemoteButtonlessDFUSuccess = 91,
  DFUErrorRemoteButtonlessDFUOpCodeNotSupported = 92,
  DFUErrorRemoteButtonlessDFUOperationFailed = 94,
  DFUErrorRemoteButtonlessDFUInvalidAdvertisementName = 95,
  DFUErrorRemoteButtonlessDFUBusy = 96,
  DFUErrorRemoteButtonlessDFUNotBonded = 97,
/// Providing the DFUFirmware is required.
  DFUErrorFileNotSpecified = 101,
/// Given firmware file is not supported.
  DFUErrorFileInvalid = 102,
/// Since SDK 7.0.0 the DFU Bootloader requires the extended Init Packet.
/// For more details, see:
/// http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v11.0.0/bledfu_example_init.html?cp=4_0_0_4_2_1_1_3
  DFUErrorExtendedInitPacketRequired = 103,
/// Before SDK 7.0.0 the init packet could have contained only 2-byte CRC
/// value, and was optional. Providing an extended one instead would cause
/// CRC error during validation (the bootloader assumes that the 2 first
/// bytes of the init packet are the firmware CRC).
  DFUErrorInitPacketRequired = 104,
  DFUErrorFailedToConnect = 201,
  DFUErrorDeviceDisconnected = 202,
  DFUErrorBluetoothDisabled = 203,
  DFUErrorServiceDiscoveryFailed = 301,
  DFUErrorDeviceNotSupported = 302,
  DFUErrorReadingVersionFailed = 303,
  DFUErrorEnablingControlPointFailed = 304,
  DFUErrorWritingCharacteristicFailed = 305,
  DFUErrorReceivingNotificationFailed = 306,
  DFUErrorUnsupportedResponse = 307,
/// Error raised during upload when the number of bytes sent is not equal to
/// number of bytes confirmed in Packet Receipt Notification.
  DFUErrorBytesLost = 308,
/// Error raised when the CRC reported by the remote device does not match.
/// Service has done 3 attempts to send the data.
  DFUErrorCrcError = 309,
/// The service went into an invalid state. The service will try to close
/// without crashing. Recovery to a know state is not possible.
  DFUErrorInvalidInternalState = 500,
};

@class NSString;
@class NSURL;
@class DFUFirmwareSize;
enum DFUFirmwareType : uint8_t;
@class NSData;

/// The DFUFirmware object wraps the firmware file.
SWIFT_CLASS("_TtC13iOSDFULibrary11DFUFirmware")
@interface DFUFirmware : NSObject
/// The name of the firmware file.
@property (nonatomic, readonly, copy) NSString * _Nullable fileName;
/// The URL to the firmware file.
@property (nonatomic, readonly, copy) NSURL * _Nullable fileUrl;
/// Information whether the firmware was successfully initialized.
@property (nonatomic, readonly) BOOL valid;
/// The size of each component of the firmware.
@property (nonatomic, readonly, strong) DFUFirmwareSize * _Nonnull size;
/// Number of connectinos required to transfer the firmware.
/// This does not include the connection needed to switch to the DFU mode.
@property (nonatomic, readonly) NSInteger parts;
/// Creates the DFU Firmware object from a Distribution packet (ZIP).
/// Such file must contain a manifest.json file with firmware metadata and at
/// least one firmware binaries. Read more about the Distribution packet on
/// the DFU documentation.
/// \param urlToZipFile URL to the Distribution packet (ZIP).
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithUrlToZipFile:(NSURL * _Nonnull)urlToZipFile;
/// Creates the DFU Firmware object from a Distribution packet (ZIP).
/// Such file must contain a manifest.json file with firmware metadata and at
/// least one firmware binaries. Read more about the Distribution packet on
/// the DFU documentation.
/// \param urlToZipFile URL to the Distribution packet (ZIP).
///
/// \param type The type of the firmware to use.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithUrlToZipFile:(NSURL * _Nonnull)urlToZipFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
/// Creates the DFU Firmware object from a Distribution packet (ZIP).
/// Such file must contain a manifest.json file with firmware metadata and at
/// least one firmware binaries. Read more about the Distribution packet on
/// the DFU documentation.
/// \param zipFile The Distribution packet (ZIP) data.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithZipFile:(NSData * _Nonnull)zipFile;
/// Creates the DFU Firmware object from a Distribution packet (ZIP).
/// Such file must contain a manifest.json file with firmware metadata and at
/// least one firmware binaries. Read more about the Distribution packet on
/// the DFU documentation.
/// \param zipFile The Distribution packet (ZIP) data.
///
/// \param type The type of the firmware to use.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithZipFile:(NSData * _Nonnull)zipFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
/// Creates the DFU Firmware object from a BIN or HEX file. Setting the DAT
/// file with an Init packet is optional, but may be required by the bootloader
/// (SDK 7.0.0+).
/// \param urlToBinOrHexFile URL to a BIN or HEX file with the firmware.
///
/// \param urlToDatFile An optional URL to a DAT file with the Init packet.
///
/// \param type The type of the firmware.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithUrlToBinOrHexFile:(NSURL * _Nonnull)urlToBinOrHexFile urlToDatFile:(NSURL * _Nullable)urlToDatFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
/// Creates the DFU Firmware object from a BIN data. Setting the DAT
/// file with an Init packet is optional, but may be required by the bootloader
/// (SDK 7.0.0+).
/// \param binFile Content of the new firmware as BIN.
///
/// \param datFile An optional DAT file data with the Init packet.
///
/// \param type The type of the firmware.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithBinFile:(NSData * _Nonnull)binFile datFile:(NSData * _Nullable)datFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
/// Creates the DFU Firmware object from a HEX data. Setting the DAT
/// file with an Init packet is optional, but may be required by the bootloader
/// (SDK 7.0.0+).
/// \param hexFile Content of the HEX file containing new firmware.
///
/// \param datFile An optional DAT file data with the Init packet.
///
/// \param type The type of the firmware.
///
///
/// returns:
/// The DFU firmware object or <code>nil</code> in case of an error.
- (nullable instancetype)initWithHexFile:(NSData * _Nonnull)hexFile datFile:(NSData * _Nullable)datFile type:(enum DFUFirmwareType)type OBJC_DESIGNATED_INITIALIZER;
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
@end


SWIFT_CLASS("_TtC13iOSDFULibrary15DFUFirmwareSize")
@interface DFUFirmwareSize : NSObject
/// Size of the softdevice in bytes.
/// If not even, add it to the bootloader size to get size of
/// softdevice_bootloader.bin.
@property (nonatomic, readonly) uint32_t softdevice;
/// Size of the bootloader in bytes.
/// If equal to 1 the ZIP contains SD+BL and size of SD or BL is not known exactly,
/// but their sum is known.
@property (nonatomic, readonly) uint32_t bootloader;
/// Size of the application in bytes.
@property (nonatomic, readonly) uint32_t application;
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
@end

/// The type of the BIN or HEX file, or selection of content from the Distribution
/// packet (ZIP) file.
/// Select <code>.softdeviceBootloaderApplication</code> to sent all files from the ZIP
/// (even it there is let’s say only application). This works as a filter.
/// If you have SD+BL+App in the ZIP, but want to send only App, you may set the
/// type to <code>.application</code>.
/// <ul>
///   <li>
///     softdevice:           Firmware file will be sent as a new SoftDevice.
///   </li>
///   <li>
///     bootloader:           Firmware file will be sent as a new Bootloader.
///   </li>
///   <li>
///     application:          Firmware file will be sent as a new Application.
///   </li>
///   <li>
///     softdeviceBootloader: Firmware file will be sent as a new SoftDevice + Bootloader.
///   </li>
///   <li>
///     softdeviceBootloaderApplication: All content of the ZIP file will be sent.
///   </li>
/// </ul>
typedef SWIFT_ENUM(uint8_t, DFUFirmwareType, closed) {
  DFUFirmwareTypeSoftdevice = 1,
  DFUFirmwareTypeBootloader = 2,
  DFUFirmwareTypeApplication = 4,
  DFUFirmwareTypeSoftdeviceBootloader = 3,
  DFUFirmwareTypeSoftdeviceBootloaderApplication = 7,
};

@class CBPeripheral;
@class NSNumber;
@class CBUUID;

/// The DFUPeripheralSelectorDelegate is used when both the Softdevice
/// (or Softdevice and Bootloader) and Application are going to be updated,
/// or when a peripheral is to be switched to the bootloader mode that will
/// change its address.
/// This library supports sending both BIN files from a ZIP Distribution
/// Packet automatically. However, when sending the Softdevice update, the
/// DFU Bootloader may remove the current application in order to make space
/// for the new Softdevice firmware (Legacy DFU, or Secure DFU with single
/// bank enabled when new SD+BL are larger then space available) or may
/// advertise in Bootloader mode for number of seconds (Secure DFU). When the
/// new Softdevice is flashed the bootloader restarts the device and starts
/// advertising in DFU Bootloader mode.
/// Since SDK 8.0.0, to solve caching problem on a host that is no bonded
/// (in case there is no Service Changed characteristic), the bootloader
/// starts to advertise with an address incremented by 1. The DFU Library has
/// to scan for a peripheral with this new address. However, as iOS does not
/// expose the device address in the public CoreBluetooth API, address matching,
/// used on Android, can not be used. Instead, this selector is used. The DFU
/// Service will start scanning for peripherals with a UUID filter, where the
/// list of required UUID is returned by the <code>filterBy(hint:)</code> method. If your
/// device in the Bootloader mode does not advertise with any service UUIDs,
/// or this is not enough, you may select a target device by their advertising
/// packet or RSSI using this delegate.
/// In SDK 14.0.0 a new feature was added to the Buttonless DFU for non-bonded
/// devices which allows to send a unique name to the device before it is
/// switched to bootloader mode. After jump, the bootloader will advertise
/// with this name as the Complete Local Name making it easy to select proper
/// device. In this case you don’t have to override the default peripheral
/// selector.
/// More: http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v14.0.0/service_dfu.html
SWIFT_PROTOCOL("_TtP13iOSDFULibrary29DFUPeripheralSelectorDelegate_")
@protocol DFUPeripheralSelectorDelegate
/// Returns whether the given peripheral is a device in DFU Bootloader mode.
/// \param peripheral The peripheral to be checked.
///
/// \param advertisementData Scanned advertising data.
///
/// \param RSSI Received signal strength indication in dBm.
///
/// \param name An optional name to look for in the
/// advertisement packet (see Buttonless DFU in SDK 14).
///
///
/// returns:
/// True (YES) if given peripheral is what service is looking for.
- (BOOL)select:(CBPeripheral * _Nonnull)peripheral advertisementData:(NSDictionary<NSString *, id> * _Nonnull)advertisementData RSSI:(NSNumber * _Nonnull)RSSI hint:(NSString * _Nullable)name SWIFT_WARN_UNUSED_RESULT;
/// Returns an optional list of services that the scanner will use to filter
/// advertising packets when scanning for a device in DFU Bootloader mode.
/// To find out what UUID you should return, switch your device to DFU Bootloader
/// mode (with a button!) and check the advertisment packet. The result of this
/// method will be applied to
/// <code>centralManager.scanForPeripheralsWithServices([CBUUID]?, options: [String : AnyObject]?)</code>.
/// \param dfuServiceUUID The UUID of the DFU service that was used to
/// flash SoftDevice and/or Bootloader. Usually, this
/// service UUID is present in the DFU Bootloader’s
/// advertising packet. Then this method may simply
/// return <code>[dfuServiceUUID]</code>.
///
///
/// returns:
/// An optional list of services or nil.
- (NSArray<CBUUID *> * _Nullable)filterByHint:(CBUUID * _Nonnull)dfuServiceUUID SWIFT_WARN_UNUSED_RESULT;
@end


/// The default selector.
/// Selects the first device with Legacy or Secure DFU Service UUID in the advertising packet.
SWIFT_CLASS("_TtC13iOSDFULibrary21DFUPeripheralSelector")
@interface DFUPeripheralSelector : NSObject <DFUPeripheralSelectorDelegate>
- (BOOL)select:(CBPeripheral * _Nonnull)peripheral advertisementData:(NSDictionary<NSString *, id> * _Nonnull)advertisementData RSSI:(NSNumber * _Nonnull)RSSI hint:(NSString * _Nullable)name SWIFT_WARN_UNUSED_RESULT;
- (NSArray<CBUUID *> * _Nullable)filterByHint:(CBUUID * _Nonnull)dfuServiceUUID SWIFT_WARN_UNUSED_RESULT;
- (nonnull instancetype)init OBJC_DESIGNATED_INITIALIZER;
@end



/// The progress delegates may be used to notify user about progress updates.
/// The only method of the delegate is only called when the service is in the
/// Uploading state.
SWIFT_PROTOCOL("_TtP13iOSDFULibrary19DFUProgressDelegate_")
@protocol DFUProgressDelegate
/// Callback called in the <code>State.Uploading</code> state. Gives detailed information
/// about the progress and speed of transmission. This method is always called
/// at least two times (for 0% and 100%) if upload has started and did not fail.
/// This method is called in the main thread and is safe to update any UI.
/// \param part Number of part that is currently being transmitted. Parts
/// start from 1 and may have value either 1 or 2. Part 2 is
/// used only when there were Soft Device and/or Bootloader AND
/// an Application in the Distribution Packet and the DFU target
/// does not support sending all files in a single connection.
/// First the SD and/or BL will be sent, then the service will
/// disconnect, reconnect again to the (new) bootloader and send
/// the Application.
///
/// \param totalParts Total number of parts that are to be send (this is always
/// equal to 1 or 2).
///
/// \param progress The current progress of uploading the current part in
/// percentage (values 0-100).
/// Each value will be called at most once - in case of a large
/// file a value e.g. 3% will be called only once, despite that
/// it will take more than one packet to reach 4%. In case of
/// a small firmware file some values may be ommited.
/// For example, if firmware file would be only 20 bytes you
/// would get a callback 0% (called always) and then 100% when done.
///
/// \param currentSpeedBytesPerSecond The current speed in bytes per second.
///
/// \param avgSpeedBytesPerSecond The average speed in bytes per second.
///
- (void)dfuProgressDidChangeFor:(NSInteger)part outOf:(NSInteger)totalParts to:(NSInteger)progress currentSpeedBytesPerSecond:(double)currentSpeedBytesPerSecond avgSpeedBytesPerSecond:(double)avgSpeedBytesPerSecond;
@end


SWIFT_CLASS("_TtC13iOSDFULibrary20DFUServiceController")
@interface DFUServiceController : NSObject
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
/// Call this method to pause uploading during the transmition process.
/// The transmition can be resumed only when connection remains. If service
/// has already started sending firmware data it will pause after receiving
/// next Packet Receipt Notification. Otherwise it will continue to send
/// Op Codes and pause before sending the first bytes of the firmware. With
/// Packet Receipt Notifications disabled it is the only moment when upload
/// may be paused.
- (void)pause;
/// Call this method to resume the paused transffer, otherwise does nothing.
- (void)resume;
/// Aborts the upload. The phone will disconnect from peripheral. The peripheral
/// will try to recover the last firmware. Might, restart in the Bootloader mode
/// if the application has been removed.
/// Abort (Reset) command will be sent instead of a next Op Code, or after receiving
/// a Packet Receipt Notification. It PRM procedure is disabled it will continue
/// until the whole firmware is sent and then Reset will be sent instead of Verify
/// Firmware op code.
///
/// returns:
/// <code>True</code> if DFU has been aborted; <code>false</code> otherwise.
- (BOOL)abort SWIFT_WARN_UNUSED_RESULT;
/// Starts again aborted DFU operation.
- (void)restart;
/// Returns <code>true</code> if DFU operation has been paused.
@property (nonatomic, readonly) BOOL paused;
/// Returns <code>true</code> if DFU operation has been aborted.
@property (nonatomic, readonly) BOOL aborted;
@end

enum DFUState : NSInteger;

/// The service delegate reports about state changes and errors.
SWIFT_PROTOCOL("_TtP13iOSDFULibrary18DFUServiceDelegate_")
@protocol DFUServiceDelegate
/// Callback called when state of the DFU Service has changed.
/// This method is called in the delegate queue specified in the
/// <code>DfuServiceInitiator</code>.
/// \param state The new state fo the service.
///
- (void)dfuStateDidChangeTo:(enum DFUState)state;
/// Called after an error occurred. The device will be disconnected and DFU
/// operation has been aborted.
/// This method is called in the delegate queue specified in the
/// <code>DfuServiceInitiator</code>.
/// \param error The error code.
///
/// \param message Error description.
///
- (void)dfuError:(enum DFUError)error didOccurWithMessage:(NSString * _Nonnull)message;
@end

@protocol LoggerDelegate;
@class DFUUuidHelper;
@class CBCentralManager;
@class NSUUID;

/// The DFUServiceInitiator object should be used to send a firmware update to
/// a remote BLE target compatible with the Nordic Semiconductor’s DFU (Device
/// Firmware Update).
/// A <code>delegate</code>, <code>progressDelegate</code> and <code>logger</code> may be specified in order to
/// receive status information.
SWIFT_CLASS("_TtC13iOSDFULibrary19DFUServiceInitiator")
@interface DFUServiceInitiator : NSObject
/// The service delegate is an object that will be notified about state changes
/// of the DFU Service. Setting it is optional but recommended.
@property (nonatomic, weak) id <DFUServiceDelegate> _Nullable delegate;
/// An optional progress delegate will be called only during upload. It notifies
/// about current upload percentage and speed.
@property (nonatomic, weak) id <DFUProgressDelegate> _Nullable progressDelegate;
/// The logger is an object that should print given messages to the user.
/// It is optional.
@property (nonatomic, weak) id <LoggerDelegate> _Nullable logger;
/// The selector object is used when the device needs to disconnect and start
/// advertising with a different address to avoid caching problems, for example
/// after switching to the Bootloader mode, or during sending a firmware containing
/// a Softdevice (or Softdevice and Bootloader) and the Application.
/// After flashing the first part (containing the Softdevice), the device restarts
/// in the DFU Bootloader mode and may (since SDK 8.0.0) start advertising with an
/// address incremented by 1. The peripheral specified in the <code>init</code> may no longer
/// be used as there is no device advertising with its address.
/// The DFU Service will scan for a new device and connect to the first device
/// returned by the selector.
/// The default selecter returns the first device with the required DFU Service
/// UUID in the advertising packet (Secure or Legacy DFU Service UUID).
/// Ignore this property if not updating Softdevice and Application from one ZIP
/// file.
@property (nonatomic, strong) id <DFUPeripheralSelectorDelegate> _Nonnull peripheralSelector;
/// The number of packets of firmware data to be received by the DFU target before
/// sending a new Packet Receipt Notification. If this value is 0, the packet receipt
/// notification will be disabled by the DFU target. Default value is 12.
/// PRNs are no longer required on iOS 11 and MacOS 10.13 or newer, but make sure
/// your device is able to be updated without. Old SDKs, before SDK 7 had very slow
/// memory management and could not handle packets that fast. If your device
/// is based on such SDK it is recommended to leave the default value.
/// Disabling PRNs on iPhone 8 with iOS 11.1.2 increased the speed from 1.7 KB/s to 2.7 KB/s
/// on DFU from SDK 14.1 where packet size is 20 bytes (higher MTU not supported yet).
/// On older versions, higher values of PRN (~20+), or disabling it, may speed up
/// the upload process, but also cause a buffer overflow and hang the Bluetooth adapter.
/// Maximum verified values were 29 for iPhone 6 Plus or 22 for iPhone 7, both iOS 10.1.
@property (nonatomic) uint16_t packetReceiptNotificationParameter;
/// Setting this property to true will prevent from jumping to the DFU Bootloader
/// mode in case there is no DFU Version characteristic. Use it if the DFU operation
/// can be handled by your device running in the application mode. If the DFU Version
/// characteristic exists, the information whether to begin DFU operation, or jump to
/// bootloader, is taken from the characteristic’s value. The value returned equal to
/// 0x0100 (read as: minor=1, major=0, or version 0.1) means that the device is in the
/// application mode and buttonless jump to DFU Bootloader is supported.
/// Currently, the following values of the DFU Version characteristic are supported:
/// <em>No DFU Version characteristic</em> - one of the first implementations of DFU Service.
/// The device may support only Application update (version from SDK 4.3.0), may support
/// Soft Device, Bootloader and Application update but without buttonless jump to
/// bootloader (SDK 6.0.0) or with buttonless jump (SDK 6.1.0).
/// The DFU Library determines whether the device is in application mode or in DFU
/// Bootloader mode by counting number of services: if no DFU Service found - device
/// is in app mode and does not support buttonless jump, if the DFU Service is the only
/// service found (except General Access and General Attribute services) - it assumes
/// it is in DFU Bootloader mode and may start DFU immediately, if there is at least
/// one service except DFU Service - the device is in application mode and supports
/// buttonless jump. In the lase case, you want to perform DFU operation without
/// jumping - set the <code>forceDfu</code> property to <code>true</code>.
/// <em>0.1</em> - Device is in a mode that supports buttonless jump to the DFU Bootloader.
/// <em>0.5</em> - Device can handle DFU operation. Extended Init packet is required.
/// Bond information is lost in the bootloader mode and after updating an app.
/// Released in SDK 7.0.0.
/// <em>0.6</em> - Bond information is kept in bootloader mode and may be kept after
/// updating application (DFU Bootloader must be configured to preserve the bond
/// information).
/// <em>0.7</em> - The SHA-256 firmware hash is used in the Extended Init Packet instead
/// of CRC-16. This feature is transparent for the DFU Service.
/// <em>0.8</em> - The Extended Init Packet is signed using the private key. The bootloader,
/// using the public key, is able to verify the content. Released in SDK 9.0.0 as
/// experimental feature.
/// Caution! The firmware type (Application, Bootloader, SoftDevice or SoftDevice +
/// Bootloader) is not encrypted as it is not a part of the Extended Init Packet.
/// A change in the protocol will be required to fix this issue.
/// By default the DFU Library will try to switch the device to the DFU Bootloader
/// mode if it finds more services then one (DFU Service). It assumes it is already
/// in the bootloader mode if the only service found is the DFU Service. Setting the
/// forceDfu to true (YES) will prevent from jumping in these both cases.
/// important:
/// Legacy DFU only.
@property (nonatomic) BOOL forceDfu;
/// By default, the Legacy DFU bootloader starting from SDK 7.1, when enabled using
/// buttonless service, advertises with the same Bluetooth address as the application
/// using direct advertisement. This complies with the Bluetooth specification.
/// However, starting from iOS 13.x, iPhones and iPads use random addresses on each
/// connection and do not expect direct advertising unless bonded. This causes thiose
/// packets being missed and not reported to the library, making reconnection to the
/// bootloader and proceeding with DFU impossible.
/// A solution requires modifying either the bootloader not to use the direct advertising,
/// or the application not to share the peer data with bootloader, in which case it will
/// advertise undirectly using address +1, like it does when the switch to bootloader mode
/// is initiated with a button. After such modification, setting this flag to true will make the
/// library scan for the bootloader using <code>DFUPeripheralSelector</code>.
/// Setting this flag to true without modifying the booloader behavior will break the DFU,
/// as the direct advertising packets are empty and will not pass the default
/// <code>DFUPeripheralSelector</code>.
/// since:
/// 4.8.0
@property (nonatomic) BOOL forceScanningForNewAddressInLegacyDfu;
/// Connection timeout.
/// When the DFU target does not connect before the time runs out, a timeout error
/// is reported.
/// since:
/// 4.8.0
@property (nonatomic) NSTimeInterval connectionTimeout;
/// Duration of a delay, that the service will wait before sending each data object in
/// Secure DFU. The delay will be done after a data object is created, and before
/// any data byte is sent. The default value is 0, which disables this feature for the
/// second and following data objects, but the first one will be delayed by 0.4 sec.
/// It has been found, that a delay of at least 0.3 sec reduces the risk of packet lose
/// (the bootloader needs some time to prepare flash memory) on DFU bootloader from
/// SDK 15, 16 and 17. The delay does not have to be longer than 0.4 sec, as according to
/// performed tests, such delay is sufficient.
/// The longer the delay, the more time DFU will take to complete (delay will be repeated for
/// each data object (4096 bytes)). However, with too small delay a packet lose may occur,
/// causing the service to enable PRN and set them to 1 making DFU process very, very slow
/// (but reliable).
/// The recommended delay is from 0.3 to 0.4 second if your DFU bootloader is from
/// SDK 15, 16 or 17. Older bootloaders do not need this delay.
/// This variable is ignored in Legacy DFU.
/// since:
/// 4.8.0
@property (nonatomic) NSTimeInterval dataObjectPreparationDelay;
/// In SDK 14.0.0 a new feature was added to the Buttonless DFU for non-bonded
/// devices which allows to send a unique name to the device before it is switched
/// to bootloader mode. After jump, the bootloader will advertise with this name
/// as the Complete Local Name making it easy to select proper device. In this case
/// you don’t have to override the default peripheral selector.
/// Read more:
/// http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v14.0.0/service_dfu.html
/// Setting this flag to false you will disable this feature. iOS DFU Library will
/// not send the 0x02-[len]-[new name] command prior jumping and will rely on the DfuPeripheralSelectorDelegate just like it used to in previous SDK.
/// This flag is ignored in Legacy DFU.
/// <em>It is recommended to keep this flag set to true unless necessary.</em>
/// For more information read:
/// https://github.com/NordicSemiconductor/IOS-nRF-Connect/issues/16
@property (nonatomic) BOOL alternativeAdvertisingNameEnabled;
/// If <code>alternativeAdvertisingNameEnabled</code> is <code>true</code> then this specifies the
/// alternative name to use. If nil (default) then a random name is generated.
/// The maximum length of the alertnative advertising name is 20 bytes.
/// Longer name will be trundated. UTF-8 characters can be cut in the middle.
@property (nonatomic, copy) NSString * _Nullable alternativeAdvertisingName;
/// Set this flag to true to enable experimental buttonless feature in Secure DFU.
/// When the experimental Buttonless DFU Service is found on a device, the service
/// will use it to switch the device to the bootloader mode, connect to it in that
/// mode and proceed with DFU.
/// <em>Please, read the information below before setting it to true.</em>
/// In the SDK 12.x the Buttonless DFU feature for Secure DFU was experimental.
/// It is NOT recommended to use it: it was not properly tested, had implementation bugs
/// (e.g. https://devzone.nordicsemi.com/question/100609/sdk-12-bootloader-erased-after-programming/)
/// and does not required encryption and therefore may lead to DOS attack (anyone can
/// use it to switch the device to bootloader mode). However, as there is no other way
/// to trigger bootloader mode on devices without a button, this DFU Library supports
/// this service, but the feature must be explicitly enabled here. Be aware, that setting
/// this flag to false will no protect your devices from this kind of attacks, as
/// an attacker may use another app for that purpose. To be sure your device is secure
/// remove this experimental service from your device.
/// Spec:
/// Buttonless DFU Service UUID: 8E400001-F315-4F60-9FB8-838830DAEA50
/// Buttonless DFU characteristic UUID: 8E400001-F315-4F60-9FB8-838830DAEA50 (the same)
/// Enter Bootloader Op Code: 0x01
/// Correct return value: 0x20-01-01 , where:
/// 0x20 - Response Op Code
/// 0x01 - Request Code
/// 0x01 - Success
/// The device should disconnect and restart in DFU mode after sending the notification.
/// In SDK 13 this issue was be fixed by a proper implementation (bonding required,
/// passing bond information to the bootloader, encryption, well tested).
/// It is recommended to use this new service.
@property (nonatomic) BOOL enableUnsafeExperimentalButtonlessServiceInSecureDfu;
/// UUIDs used during the DFU Process.
/// This allows you to pass in Custom UUIDs for the DFU Service/Characteristics.
@property (nonatomic, strong) DFUUuidHelper * _Nonnull uuidHelper;
/// Disable the ability for the DFU process to resume from where it was.
/// since:
/// 4.3.0
@property (nonatomic) BOOL disableResume;
/// Creates the DFUServiceInitializer that will allow to send an update to the given
/// peripheral.
/// This constructor takes control over the central manager and peripheral objects.
/// Their delegates will be set to internal library objects and will NOT be reverted to
/// original objects, instead they will be set to nil when DFU is complete, aborted or
/// has failed with an error. An app should restore the delegates (if needed) after
/// receiving .completed or .aborted DFUState, or receiving an error.
/// important:
/// This constructor has been deprecated in favor of <code>init(target: CBPeripheral)</code>,
/// which does not take control over the give peripheral, and is using a copy instead.
/// seealso:
/// peripheralSelector property - a selector used when scanning for a device
/// in DFU Bootloader mode in case you want to update a Softdevice and
/// Application from a single ZIP Distribution Packet.
/// \param centralManager Manager that will be used to connect to the peripheral
///
/// \param target The DFU target peripheral.
///
///
/// returns:
/// The initiator instance.
- (nonnull instancetype)initWithCentralManager:(CBCentralManager * _Nonnull)centralManager target:(CBPeripheral * _Nonnull)target OBJC_DESIGNATED_INITIALIZER SWIFT_DEPRECATED_MSG("Use init(queue: DispatchQueue?) instead.");
/// Creates the DFUServiceInitializer that will allow to send an update to peripherals.
/// version:
/// Added in version 4.2 of the iOS DFU Library. Extended in 4.3 to allow
/// setting delegate queues.
/// seealso:
/// peripheralSelector property - a selector used when scanning for a
/// device in DFU Bootloader mode in case you want to update a Softdevice
/// and Application from a single ZIP Distribution Packet.
/// \param queue The dispatch queue to run BLE operations on.
///
/// \param delegateQueue The dispatch queue to invoke all delegate callbacks on.
///
/// \param progressQueue The dispatch queue to invoke all progress delegate
/// callbacks on.
///
/// \param loggerQueue The dispatch queue to invoke all logger events on.
///
///
/// returns:
/// The initiator instance.
- (nonnull instancetype)initWithQueue:(dispatch_queue_t _Nullable)queue delegateQueue:(dispatch_queue_t _Nonnull)delegateQueue progressQueue:(dispatch_queue_t _Nonnull)progressQueue loggerQueue:(dispatch_queue_t _Nonnull)loggerQueue OBJC_DESIGNATED_INITIALIZER;
/// Sets the file with the firmware. The file must be specified before calling
/// <code>start(...)</code> method.
/// \param file The firmware wrapper object.
///
///
/// returns:
/// The initiator instance to allow chain use.
- (DFUServiceInitiator * _Nonnull)withFirmware:(DFUFirmware * _Nonnull)file SWIFT_WARN_UNUSED_RESULT;
/// Starts sending the specified firmware to the DFU target specified in
/// <code>init(centralManager:target)</code>. When started, the service will automatically
/// connect to the target, switch to DFU Bootloader mode (if necessary), and
/// send all the content of the specified firmware file in one or two connections.
/// Two connections will be used if a ZIP file contains a Soft Device and/or
/// Bootloader and an Application. First the Soft Device and/or Bootloader will
/// be transferred, then the service will disconnect, reconnect to the (new)
/// Bootloader again and send the Application (unless the target supports
/// receiving all files in a single connection). The peripheral will NOT be
/// reconnected after the DFU is completed, aborted or has failed.
/// The current version of the DFU Bootloader, due to memory limitations, may
/// receive together only a Softdevice and Bootloader.
/// important:
/// Use <code>start(target: CBPeripheral)</code> instead.
///
/// returns:
/// A DFUServiceController object that can be used to control the
/// DFU operation, or <code>nil</code>, if the file was not set, or the target
/// peripheral was not set.
- (DFUServiceController * _Nullable)start SWIFT_WARN_UNUSED_RESULT SWIFT_DEPRECATED_MSG("Use start(target: CBPeripheral) instead.");
/// Starts sending the specified firmware to the given DFU target.
/// When started, the service will automatically connect to the target, switch to
/// DFU Bootloader mode (if necessary), and send all the content of the specified
/// firmware file in one or two connections. Two connections will be used if a ZIP
/// file contains a SoftDevice and/or Bootloader and an Application. First, the
/// SoftDevice and/or Bootloader will be transferred, then the service will disconnect,
/// reconnect to the (new) Bootloader again and send the Application (unless the
/// target supports receiving all files in a single connection). The peripheral
/// will NOT be reconnected after the DFU is completed, aborted or has failed.
/// This method does not take control over the peripheral.
/// A new central manager is used, from which a copy of the peripheral is retrieved.
/// Be warned, that the original peripheral delegate may receive a lot of calls, and
/// it will restart during the process. The app should not send any data to DFU
/// characteristics when DFU is in progress.
/// The current version of the DFU Bootloader, due to memory limitations, may receive
/// together only a SoftDevice and Bootloader.
/// \param target The DFU target peripheral.
///
///
/// returns:
/// A <code>DFUServiceController</code> object that can be used to control the DFU
/// operation, or <code>nil</code>, if the file was not set, or the peripheral instance
/// could not be retrieved.
- (DFUServiceController * _Nullable)startWithTarget:(CBPeripheral * _Nonnull)target SWIFT_WARN_UNUSED_RESULT;
/// Starts sending the specified firmware to the DFU target with given identifier.
/// When started, the service will automatically connect to the target, switch to
/// DFU Bootloader mode (if necessary), and send all the content of the specified
/// firmware file in one or two connections. Two connections will be used if a ZIP
/// file contains a SoftDevice and/or Bootloader and an Application. First, the
/// SoftDevice and/or Bootloader will be transferred, then the service will disconnect,
/// reconnect to the (new) Bootloader again and send the Application (unless the
/// target supports receiving all files in a single connection). The peripheral
/// will NOT be reconnected after the DFU is completed, aborted or has failed.
/// This method does not take control over the peripheral.
/// A new central manager is used, from which a copy of the peripheral is retrieved.
/// Be warned, that the original peripheral delegate may receive a lot of calls, and
/// it will restart during the process. The app should not send any data to DFU
/// characteristics when DFU is in progress.
/// The current version of the DFU Bootloader, due to memory limitations, may receive
/// together only a SoftDevice and Bootloader.
/// \param uuid The UUID associated with the peer.
///
///
/// returns:
/// A DFUServiceController object that can be used to control the DFU
/// operation, or nil, if the file was not set, or the peripheral instance
/// could not be retrieved.
- (DFUServiceController * _Nullable)startWithTargetWithIdentifier:(NSUUID * _Nonnull)uuid SWIFT_WARN_UNUSED_RESULT;
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
@end

/// The state of the DFU Service.
/// <ul>
///   <li>
///     connecting:      Service is connecting to the DFU target.
///   </li>
///   <li>
///     starting:        DFU Service is initializing DFU operation.
///   </li>
///   <li>
///     enablingDfuMode: Service is switching the device to DFU mode.
///   </li>
///   <li>
///     uploading:       Service is uploading the firmware.
///   </li>
///   <li>
///     validating:      The DFU target is validating the firmware.
///   </li>
///   <li>
///     disconnecting:   The iDevice is disconnecting or waiting for disconnection.
///   </li>
///   <li>
///     completed:       DFU operation is completed and successful.
///   </li>
///   <li>
///     aborted:         DFU Operation was aborted.
///   </li>
/// </ul>
typedef SWIFT_ENUM(NSInteger, DFUState, closed) {
  DFUStateConnecting = 0,
  DFUStateStarting = 1,
  DFUStateEnablingDfuMode = 2,
  DFUStateUploading = 3,
  DFUStateValidating = 4,
  DFUStateDisconnecting = 5,
  DFUStateCompleted = 6,
  DFUStateAborted = 7,
};

enum DFUUuidType : NSInteger;

/// DFU UUID object.
SWIFT_CLASS("_TtC13iOSDFULibrary7DFUUuid")
@interface DFUUuid : NSObject
/// UUID For the DFU UUID Object.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull uuid;
/// Type of DFU UUID.
@property (nonatomic, readonly) enum DFUUuidType type;
- (nonnull instancetype)initWithUUID:(CBUUID * _Nonnull)withUUID forType:(enum DFUUuidType)forType OBJC_DESIGNATED_INITIALIZER;
- (nonnull instancetype)init SWIFT_UNAVAILABLE;
+ (nonnull instancetype)new SWIFT_DEPRECATED_MSG("-init is unavailable");
@end


/// UUID Helper for DFU Process.
/// The UUID can be modified for each of the DFU types supported by
/// the Nordic devices.
SWIFT_CLASS("_TtC13iOSDFULibrary13DFUUuidHelper")
@interface DFUUuidHelper : NSObject
/// UUID for Legacy DFU Service.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull legacyDFUService;
/// UUID for Legacy DFU Control Point Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull legacyDFUControlPoint;
/// UUID for Legacy DFU Packet Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull legacyDFUPacket;
/// UUID for Legacy DFU Version Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull legacyDFUVersion;
/// UUID for Secure DFU Service.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull secureDFUService;
/// UUID for Secure DFU Control Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull secureDFUControlPoint;
/// UUID for Secure DFU Packet Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull secureDFUPacket;
/// UUID for Buttonless DFU Service.
/// This UUID is also used for the Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull buttonlessExperimentalService;
/// UUID for Buttonless DFU Characteristic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull buttonlessExperimentalCharacteristic;
/// UUID for Buttonless DFU Without Bond Sharing Characterisitic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull buttonlessWithoutBonds;
/// UUID for Buttonless DFU With Bond Sharing Characterisitic.
@property (nonatomic, readonly, strong) CBUUID * _Nonnull buttonlessWithBonds;
/// Creates the DFU Helper with Default UUIDs.
- (nonnull instancetype)init OBJC_DESIGNATED_INITIALIZER;
/// Create the DFU UUID Helper with Custom UUIDs.
/// \param uuids Array of Custom UUIDs.
///
- (nonnull instancetype)initWithCustomUuids:(NSArray<DFUUuid *> * _Nonnull)uuids;
@end


/// UUID Types for DFU.
typedef SWIFT_ENUM(NSInteger, DFUUuidType, closed) {
/// Legacy DFU Service.
  DFUUuidTypeLegacyService = 0,
/// Legacy DFU Control Point Characteristic.
  DFUUuidTypeLegacyControlPoint = 1,
/// Legacy DFU Packet Characteristic.
  DFUUuidTypeLegacyPacket = 2,
/// Legacy DFU Version Characteristic.
  DFUUuidTypeLegacyVersion = 3,
/// Secure DFU Service.
  DFUUuidTypeSecureService = 4,
/// Secure DFU Control Characteristic.
  DFUUuidTypeSecureControl = 5,
/// Secure DFU Packet Characteristic.
  DFUUuidTypeSecurePacket = 6,
/// Buttonless DFU Service.
  DFUUuidTypeButtonlessService = 7,
/// Buttonless DFU Characteristic.
  DFUUuidTypeButtonlessCharacteristic = 8,
/// Buttonless DFU Without Bond Sharing Characterisitic.
  DFUUuidTypeButtonlessWithoutBondSharing = 9,
/// Buttonless DFU With Bond Sharing Characterisitic.
  DFUUuidTypeButtonlessWithBondSharing = 10,
};


/// This converter converts Intel HEX file to BIN.
/// It is based on this specification:
/// http://www.interlog.com/~speff/usefulinfo/Hexfrmt.pdf
/// Not all Intel HEX features are supported!
/// The converter does not support gaps in the firmware. The returned
/// BIN contains data until the first found gap.
/// Supported Record Types:
/// <ul>
///   <li>
///     0x04 - Extended Linear Address Record
///   </li>
///   <li>
///     0x02 - Extended Segment Address Record
///   </li>
///   <li>
///     0x01 - End of File
///   </li>
///   <li>
///     0x00 - Data Record
///   </li>
/// </ul>
/// If MBR size is provided, the values from addresses 0..<MBR Size will
/// be ignored.
SWIFT_CLASS("_TtC13iOSDFULibrary21IntelHex2BinConverter")
@interface IntelHex2BinConverter : NSObject
- (nonnull instancetype)init OBJC_DESIGNATED_INITIALIZER;
@end



SWIFT_CLASS("_TtC13iOSDFULibrary25LegacyDFUServiceInitiator")
@interface LegacyDFUServiceInitiator : DFUServiceInitiator
- (DFUServiceController * _Nullable)startWithTargetWithIdentifier:(NSUUID * _Nonnull)uuid SWIFT_WARN_UNUSED_RESULT;
- (nonnull instancetype)initWithCentralManager:(CBCentralManager * _Nonnull)centralManager target:(CBPeripheral * _Nonnull)target OBJC_DESIGNATED_INITIALIZER SWIFT_DEPRECATED;
- (nonnull instancetype)initWithQueue:(dispatch_queue_t _Nullable)queue delegateQueue:(dispatch_queue_t _Nonnull)delegateQueue progressQueue:(dispatch_queue_t _Nonnull)progressQueue loggerQueue:(dispatch_queue_t _Nonnull)loggerQueue OBJC_DESIGNATED_INITIALIZER;
@end

/// Log level. Logger application may filter log entries based on their level.
/// Levels allow to ignore less important messages.
/// <ul>
///   <li>
///     Debug -       Lowest priority. Usually names of called methods or callbacks received.
///   </li>
///   <li>
///     Verbose -     Low priority messages what the service is doing.
///   </li>
///   <li>
///     Info -        Messages about completed tasks.
///   </li>
///   <li>
///     Application - Messages about application level events, in this case DFU messages
///     in human-readable form.
///   </li>
///   <li>
///     Warning -     Important messages.
///   </li>
///   <li>
///     Error -       Highest priority messages with errors.
///   </li>
/// </ul>
typedef SWIFT_ENUM(NSInteger, LogLevel, closed) {
  LogLevelDebug = 0,
  LogLevelVerbose = 1,
  LogLevelInfo = 5,
  LogLevelApplication = 10,
  LogLevelWarning = 15,
  LogLevelError = 20,
};


/// The Logger delegate.
SWIFT_PROTOCOL("_TtP13iOSDFULibrary14LoggerDelegate_")
@protocol LoggerDelegate
/// This method is called whenever a new log entry is to be saved. The logger
/// implementation should save this or present it to the user.
/// It is NOT safe to update any UI from this method as multiple threads may log.
/// \param level The log level.
///
/// \param message The message.
///
- (void)logWith:(enum LogLevel)level message:(NSString * _Nonnull)message;
@end


SWIFT_CLASS("_TtC13iOSDFULibrary25SecureDFUServiceInitiator")
@interface SecureDFUServiceInitiator : DFUServiceInitiator
- (DFUServiceController * _Nullable)startWithTargetWithIdentifier:(NSUUID * _Nonnull)uuid SWIFT_WARN_UNUSED_RESULT;
- (nonnull instancetype)initWithCentralManager:(CBCentralManager * _Nonnull)centralManager target:(CBPeripheral * _Nonnull)target OBJC_DESIGNATED_INITIALIZER SWIFT_DEPRECATED;
- (nonnull instancetype)initWithQueue:(dispatch_queue_t _Nullable)queue delegateQueue:(dispatch_queue_t _Nonnull)delegateQueue progressQueue:(dispatch_queue_t _Nonnull)progressQueue loggerQueue:(dispatch_queue_t _Nonnull)loggerQueue OBJC_DESIGNATED_INITIALIZER;
@end

#if __has_attribute(external_source_symbol)
# pragma clang attribute pop
#endif
#pragma clang diagnostic pop
#endif

#endif