import CoreFoundation
import Darwin

// NSError and CFError conform to the standard ErrorProtocol protocol. Compiler
// magic allows this to be done as a "toll-free" conversion when an NSError
// or CFError is used as an ErrorProtocol existential.

extension NSError : ErrorProtocol {
  public var _domain: String { return domain }
  public var _code: Int { return code }
}

extension CFError : ErrorProtocol {
  public var _domain: String {
    return CFErrorGetDomain(self) as String
  }

  public var _code: Int {
    return CFErrorGetCode(self)
  }
}

// An error value to use when an Objective-C API indicates error
// but produces a nil error object.
public enum _GenericObjCError : ErrorProtocol {
  case nilError
}

/// An internal protocol to represent Swift error enums that map to standard
/// Cocoa NSError domains.
public protocol _ObjectiveCBridgeableErrorProtocol : ErrorProtocol {
  /// Produce a value of the error type corresponding to the given NSError,
  /// or return nil if it cannot be bridged.
  init?(_bridgedNSError: NSError)
}

/// A hook for the runtime to use _ObjectiveCBridgeableErrorProtocol in order to
/// attempt an "errorTypeValue as? SomeError" cast.
///
/// If the bridge succeeds, the bridged value is written to the uninitialized
/// memory pointed to by 'out', and true is returned. Otherwise, 'out' is
/// left uninitialized, and false is returned.
@warn_unused_result
@_silgen_name("swift_stdlib_bridgeNSErrorToErrorProtocol")
public func _stdlib_bridgeNSErrorToErrorProtocol<
  T : _ObjectiveCBridgeableErrorProtocol
>(error: NSError, out: UnsafeMutablePointer<T>) -> Bool {
  if let bridged = T(_bridgedNSError: error) {
    out.initialize(with: bridged)
    return true
  } else {
    return false
  }
}

/// Helper protocol for _BridgedNSError, which used to provide
/// default implementations.
public protocol __BridgedNSError : RawRepresentable, ErrorProtocol {
  static var _nsErrorDomain: String { get }
}

// Allow two bridged NSError types to be compared.
@warn_unused_result
public func ==<T: __BridgedNSError where T.RawValue: SignedInteger>(
  lhs: T,
  rhs: T
) -> Bool {
  return lhs.rawValue.toIntMax() == rhs.rawValue.toIntMax()
}

public extension __BridgedNSError where RawValue: SignedInteger {
  public final var _domain: String { return Self._nsErrorDomain }
  public final var _code: Int { return Int(rawValue.toIntMax()) }

  public init?(rawValue: RawValue) {
    self = unsafeBitCast(rawValue, to: Self.self)
  }

  public init?(_bridgedNSError: NSError) {
    if _bridgedNSError.domain != Self._nsErrorDomain {
      return nil
    }

    self.init(rawValue: RawValue(IntMax(_bridgedNSError.code)))
  }

  public final var hashValue: Int { return _code }
}

// Allow two bridged NSError types to be compared.
@warn_unused_result
public func ==<T: __BridgedNSError where T.RawValue: UnsignedInteger>(
  lhs: T,
  rhs: T
) -> Bool {
  return lhs.rawValue.toUIntMax() == rhs.rawValue.toUIntMax()
}


public extension __BridgedNSError where RawValue: UnsignedInteger {
  public final var _domain: String { return Self._nsErrorDomain }
  public final var _code: Int {
    return Int(bitPattern: UInt(rawValue.toUIntMax()))
  }

  public init?(rawValue: RawValue) {
    self = unsafeBitCast(rawValue, to: Self.self)
  }

  public init?(_bridgedNSError: NSError) {
    if _bridgedNSError.domain != Self._nsErrorDomain {
      return nil
    }

    self.init(rawValue: RawValue(UIntMax(UInt(_bridgedNSError.code))))
  }

  public final var hashValue: Int { return _code }
}

/// Describes a raw representable type that is bridged to a particular
/// NSError domain.
///
/// This protocol is used primarily to generate the conformance to
/// _ObjectiveCBridgeableErrorProtocol for such an enum.
public protocol _BridgedNSError : __BridgedNSError,
                                  _ObjectiveCBridgeableErrorProtocol,
                                  Hashable {
  /// The NSError domain to which this type is bridged.
  static var _nsErrorDomain: String { get }
}

/// Enumeration that describes the error codes within the Cocoa error
/// domain.
public struct NSCocoaError : RawRepresentable, _BridgedNSError {
  public let rawValue: Int

  public init(rawValue: Int) {
    self.rawValue = rawValue
  }

  public static var _nsErrorDomain: String { return NSCocoaErrorDomain }
}

@warn_unused_result
public func ~=(match: NSCocoaError, error: ErrorProtocol) -> Bool {
  guard let cocoaError = error as? NSCocoaError else { return false }
  return match.rawValue == cocoaError.rawValue
}

public extension NSCocoaError {
  public static var fileNoSuchFileError: NSCocoaError {
    return NSCocoaError(rawValue: 4)
  }
  public static var fileLockingError: NSCocoaError {
    return NSCocoaError(rawValue: 255)
  }
  public static var fileReadUnknownError: NSCocoaError {
    return NSCocoaError(rawValue: 256)
  }
  public static var fileReadNoPermissionError: NSCocoaError {
    return NSCocoaError(rawValue: 257)
  }
  public static var fileReadInvalidFileNameError: NSCocoaError {
    return NSCocoaError(rawValue: 258)
  }
  public static var fileReadCorruptFileError: NSCocoaError {
    return NSCocoaError(rawValue: 259)
  }
  public static var fileReadNoSuchFileError: NSCocoaError {
    return NSCocoaError(rawValue: 260)
  }
  public static var fileReadInapplicableStringEncodingError: NSCocoaError {
    return NSCocoaError(rawValue: 261)
  }
  public static var fileReadUnsupportedSchemeError: NSCocoaError {
    return NSCocoaError(rawValue: 262)
  }

  @available(OSX, introduced=10.5) @available(iOS, introduced=2.0)
  public static var fileReadTooLargeError: NSCocoaError {
    return NSCocoaError(rawValue: 263)
  }

  @available(OSX, introduced=10.5) @available(iOS, introduced=2.0)
  public static var fileReadUnknownStringEncodingError: NSCocoaError {
    return NSCocoaError(rawValue: 264)
  }

  public static var fileWriteUnknownError: NSCocoaError {
    return NSCocoaError(rawValue: 512)
  }
  public static var fileWriteNoPermissionError: NSCocoaError {
    return NSCocoaError(rawValue: 513)
  }
  public static var fileWriteInvalidFileNameError: NSCocoaError {
    return NSCocoaError(rawValue: 514)
  }

  @available(OSX, introduced=10.7) @available(iOS, introduced=5.0)
  public static var fileWriteFileExistsError: NSCocoaError {
    return NSCocoaError(rawValue: 516)
  }

  public static var fileWriteInapplicableStringEncodingError: NSCocoaError {
    return NSCocoaError(rawValue: 517)
  }
  public static var fileWriteUnsupportedSchemeError: NSCocoaError {
    return NSCocoaError(rawValue: 518)
  }
  public static var fileWriteOutOfSpaceError: NSCocoaError {
    return NSCocoaError(rawValue: 640)
  }

  @available(OSX, introduced=10.6) @available(iOS, introduced=4.0)
  public static var fileWriteVolumeReadOnlyError: NSCocoaError {
    return NSCocoaError(rawValue: 642)
  }

  @available(OSX, introduced=10.11) @available(iOS, unavailable)
  public static var fileManagerUnmountUnknownError: NSCocoaError {
    return NSCocoaError(rawValue: 768)
  }

  @available(OSX, introduced=10.11) @available(iOS, unavailable)
  public static var fileManagerUnmountBusyError: NSCocoaError {
    return NSCocoaError(rawValue: 769)
  }

  public static var keyValueValidationError: NSCocoaError {
    return NSCocoaError(rawValue: 1024)
  }
  public static var formattingError: NSCocoaError {
    return NSCocoaError(rawValue: 2048)
  }
  public static var userCancelledError: NSCocoaError {
    return NSCocoaError(rawValue: 3072)
  }

  @available(OSX, introduced=10.8) @available(iOS, introduced=6.0)
  public static var featureUnsupportedError: NSCocoaError {
    return NSCocoaError(rawValue: 3328)
  }

  @available(OSX, introduced=10.5) @available(iOS, introduced=2.0)
  public static var executableNotLoadableError: NSCocoaError {
    return NSCocoaError(rawValue: 3584)
  }

  @available(OSX, introduced=10.5) @available(iOS, introduced=2.0)
  public static var executableArchitectureMismatchError: NSCocoaError {
    return NSCocoaError(rawValue: 3585)
  }

  @available(OSX, introduced=10.5) @available(iOS, introduced=2.0)
  public static var executableRuntimeMismatchError: NSCocoaError {
    return NSCocoaError(rawValue: 3586)
  }

  @available(OSX, introduced=10.5) @available(iOS, introduced=2.0)
  public static var executableLoadError: NSCocoaError {
    return NSCocoaError(rawValue: 3587)
  }

  @available(OSX, introduced=10.5) @available(iOS, introduced=2.0)
  public static var executableLinkError: NSCocoaError {
    return NSCocoaError(rawValue: 3588)
  }

  @available(OSX, introduced=10.6) @available(iOS, introduced=4.0)
  public static var propertyListReadCorruptError: NSCocoaError {
    return NSCocoaError(rawValue: 3840)
  }

  @available(OSX, introduced=10.6) @available(iOS, introduced=4.0)
  public static var propertyListReadUnknownVersionError: NSCocoaError {
    return NSCocoaError(rawValue: 3841)
  }

  @available(OSX, introduced=10.6) @available(iOS, introduced=4.0)
  public static var propertyListReadStreamError: NSCocoaError {
    return NSCocoaError(rawValue: 3842)
  }

  @available(OSX, introduced=10.6) @available(iOS, introduced=4.0)
  public static var propertyListWriteStreamError: NSCocoaError {
    return NSCocoaError(rawValue: 3851)
  }

  @available(OSX, introduced=10.10) @available(iOS, introduced=8.0)
  public static var propertyListWriteInvalidError: NSCocoaError {
    return NSCocoaError(rawValue: 3852)
  }

  @available(OSX, introduced=10.8) @available(iOS, introduced=6.0)
  public static var xpcConnectionInterrupted: NSCocoaError {
    return NSCocoaError(rawValue: 4097)
  }

  @available(OSX, introduced=10.8) @available(iOS, introduced=6.0)
  public static var xpcConnectionInvalid: NSCocoaError {
    return NSCocoaError(rawValue: 4099)
  }

  @available(OSX, introduced=10.8) @available(iOS, introduced=6.0)
  public static var xpcConnectionReplyInvalid: NSCocoaError {
    return NSCocoaError(rawValue: 4101)
  }

  @available(OSX, introduced=10.9) @available(iOS, introduced=7.0)
  public static var ubiquitousFileUnavailableError: NSCocoaError {
    return NSCocoaError(rawValue: 4353)
  }

  @available(OSX, introduced=10.9) @available(iOS, introduced=7.0)
  public static var ubiquitousFileNotUploadedDueToQuotaError: NSCocoaError {
    return NSCocoaError(rawValue: 4354)
  }

  @available(OSX, introduced=10.9) @available(iOS, introduced=7.0)
  public static var ubiquitousFileUbiquityServerNotAvailable: NSCocoaError {
    return NSCocoaError(rawValue: 4355)
  }

  @available(OSX, introduced=10.10) @available(iOS, introduced=8.0)
  public static var userActivityHandoffFailedError: NSCocoaError {
    return NSCocoaError(rawValue: 4608)
  }

  @available(OSX, introduced=10.10) @available(iOS, introduced=8.0)
  public static var userActivityConnectionUnavailableError: NSCocoaError {
    return NSCocoaError(rawValue: 4609)
  }

  @available(OSX, introduced=10.10) @available(iOS, introduced=8.0)
  public static var userActivityRemoteApplicationTimedOutError: NSCocoaError {
    return NSCocoaError(rawValue: 4610)
  }

  @available(OSX, introduced=10.10) @available(iOS, introduced=8.0)
  public static var userActivityHandoffUserInfoTooLargeError: NSCocoaError {
    return NSCocoaError(rawValue: 4611)
  }

  @available(OSX, introduced=10.11) @available(iOS, introduced=9.0)
  public static var coderReadCorruptError: NSCocoaError {
    return NSCocoaError(rawValue: 4864)
  }

  @available(OSX, introduced=10.11) @available(iOS, introduced=9.0)
  public static var coderValueNotFoundError: NSCocoaError {
    return NSCocoaError(rawValue: 4865)
  }


  @available(OSX, introduced=10.11) @available(iOS, introduced=9.0)
  public var isCoderError: Bool {
    return rawValue >= 4864 && rawValue <= 4991
  }

  @available(OSX, introduced=10.5) @available(iOS, introduced=2.0)
  public var isExecutableError: Bool {
    return rawValue >= 3584 && rawValue <= 3839
  }

  public var isFileError: Bool {
    return rawValue >= 0 && rawValue <= 1023
  }

  public var isFormattingError: Bool {
    return rawValue >= 2048 && rawValue <= 2559
  }

  @available(OSX, introduced=10.6) @available(iOS, introduced=4.0)
  public var isPropertyListError: Bool {
    return rawValue >= 3840 && rawValue <= 4095
  }

  @available(OSX, introduced=10.9) @available(iOS, introduced=7.0)
  public var isUbiquitousFileError: Bool {
    return rawValue >= 4352 && rawValue <= 4607
  }

  @available(OSX, introduced=10.10) @available(iOS, introduced=8.0)
  public var isUserActivityError: Bool {
    return rawValue >= 4608 && rawValue <= 4863
  }

  public var isValidationError: Bool {
    return rawValue >= 1024 && rawValue <= 2047
  }

  @available(OSX, introduced=10.8) @available(iOS, introduced=6.0)
  public var isXPCConnectionError: Bool {
    return rawValue >= 4096 && rawValue <= 4224
  }
}

extension NSCocoaError {
  @available(*, unavailable, renamed="fileNoSuchFileError")
  public static var FileNoSuchFileError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileLockingError")
  public static var FileLockingError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileReadUnknownError")
  public static var FileReadUnknownError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileReadNoPermissionError")
  public static var FileReadNoPermissionError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileReadInvalidFileNameError")
  public static var FileReadInvalidFileNameError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileReadCorruptFileError")
  public static var FileReadCorruptFileError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileReadNoSuchFileError")
  public static var FileReadNoSuchFileError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileReadInapplicableStringEncodingError")
  public static var FileReadInapplicableStringEncodingError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileReadUnsupportedSchemeError")
  public static var FileReadUnsupportedSchemeError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileReadTooLargeError")
  public static var FileReadTooLargeError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileReadUnknownStringEncodingError")
  public static var FileReadUnknownStringEncodingError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileWriteUnknownError")
  public static var FileWriteUnknownError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileWriteNoPermissionError")
  public static var FileWriteNoPermissionError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileWriteInvalidFileNameError")
  public static var FileWriteInvalidFileNameError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileWriteFileExistsError")
  public static var FileWriteFileExistsError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileWriteInapplicableStringEncodingError")
  public static var FileWriteInapplicableStringEncodingError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileWriteUnsupportedSchemeError")
  public static var FileWriteUnsupportedSchemeError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileWriteOutOfSpaceError")
  public static var FileWriteOutOfSpaceError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileWriteVolumeReadOnlyError")
  public static var FileWriteVolumeReadOnlyError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileManagerUnmountUnknownError")
  public static var FileManagerUnmountUnknownError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileManagerUnmountBusyError")
  public static var FileManagerUnmountBusyError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="keyValueValidationError")
  public static var KeyValueValidationError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="formattingError")
  public static var FormattingError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="userCancelledError")
  public static var UserCancelledError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="featureUnsupportedError")
  public static var FeatureUnsupportedError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="executableNotLoadableError")
  public static var ExecutableNotLoadableError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="executableArchitectureMismatchError")
  public static var ExecutableArchitectureMismatchError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="executableRuntimeMismatchError")
  public static var ExecutableRuntimeMismatchError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="executableLoadError")
  public static var ExecutableLoadError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="executableLinkError")
  public static var ExecutableLinkError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="propertyListReadCorruptError")
  public static var PropertyListReadCorruptError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="propertyListReadUnknownVersionError")
  public static var PropertyListReadUnknownVersionError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="propertyListReadStreamError")
  public static var PropertyListReadStreamError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="propertyListWriteStreamError")
  public static var PropertyListWriteStreamError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="propertyListWriteInvalidError")
  public static var PropertyListWriteInvalidError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="xpcConnectionInterrupted")
  public static var XPCConnectionInterrupted: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="xpcConnectionInvalid")
  public static var XPCConnectionInvalid: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="xpcConnectionReplyInvalid")
  public static var XPCConnectionReplyInvalid: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="ubiquitousFileUnavailableError")
  public static var UbiquitousFileUnavailableError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="ubiquitousFileNotUploadedDueToQuotaError")
  public static var UbiquitousFileNotUploadedDueToQuotaError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="ubiquitousFileUbiquityServerNotAvailable")
  public static var UbiquitousFileUbiquityServerNotAvailable: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="userActivityHandoffFailedError")
  public static var UserActivityHandoffFailedError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="userActivityConnectionUnavailableError")
  public static var UserActivityConnectionUnavailableError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="userActivityRemoteApplicationTimedOutError")
  public static var UserActivityRemoteApplicationTimedOutError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="userActivityHandoffUserInfoTooLargeError")
  public static var UserActivityHandoffUserInfoTooLargeError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="coderReadCorruptError")
  public static var CoderReadCorruptError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="coderValueNotFoundError")
  public static var CoderValueNotFoundError: NSCocoaError {
    fatalError("unavailable accessor can't be called")
  }
}

/// Enumeration that describes the error codes within the NSURL error
/// domain.
@objc public enum NSURLError : Int, _BridgedNSError {
  case unknown = -1
  case cancelled = -999
  case badURL = -1000
  case timedOut = -1001
  case unsupportedURL = -1002
  case cannotFindHost = -1003
  case cannotConnectToHost = -1004
  case networkConnectionLost = -1005
  case dnsLookupFailed = -1006
  case httpTooManyRedirects = -1007
  case resourceUnavailable = -1008
  case notConnectedToInternet = -1009
  case redirectToNonExistentLocation = -1010
  case badServerResponse = -1011
  case userCancelledAuthentication = -1012
  case userAuthenticationRequired = -1013
  case zeroByteResource = -1014
  case cannotDecodeRawData = -1015
  case cannotDecodeContentData = -1016
  case cannotParseResponse = -1017
  case fileDoesNotExist = -1100
  case fileIsDirectory = -1101
  case noPermissionsToReadFile = -1102
  case secureConnectionFailed = -1200
  case serverCertificateHasBadDate = -1201
  case serverCertificateUntrusted = -1202
  case serverCertificateHasUnknownRoot = -1203
  case serverCertificateNotYetValid = -1204
  case clientCertificateRejected = -1205
  case clientCertificateRequired = -1206
  case cannotLoadFromNetwork = -2000
  case cannotCreateFile = -3000
  case cannotOpenFile = -3001
  case cannotCloseFile = -3002
  case cannotWriteToFile = -3003
  case cannotRemoveFile = -3004
  case cannotMoveFile = -3005
  case downloadDecodingFailedMidStream = -3006
  case downloadDecodingFailedToComplete = -3007

  @available(OSX, introduced=10.7) @available(iOS, introduced=3.0)
  case internationalRoamingOff = -1018

  @available(OSX, introduced=10.7) @available(iOS, introduced=3.0)
  case callIsActive = -1019

  @available(OSX, introduced=10.7) @available(iOS, introduced=3.0)
  case dataNotAllowed = -1020

  @available(OSX, introduced=10.7) @available(iOS, introduced=3.0)
  case requestBodyStreamExhausted = -1021

  @available(OSX, introduced=10.10) @available(iOS, introduced=8.0)
  case backgroundSessionRequiresSharedContainer = -995

  @available(OSX, introduced=10.10) @available(iOS, introduced=8.0)
  case backgroundSessionInUseByAnotherProcess = -996

  @available(OSX, introduced=10.10) @available(iOS, introduced=8.0)
  case backgroundSessionWasDisconnected = -997

  public static var _nsErrorDomain: String { return NSURLErrorDomain }
}

extension NSURLError {
  @available(*, unavailable, renamed="unknown")
  static var Unknown: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="cancelled")
  static var Cancelled: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="badURL")
  static var BadURL: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="timedOut")
  static var TimedOut: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="unsupportedURL")
  static var UnsupportedURL: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="cannotFindHost")
  static var CannotFindHost: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="cannotConnectToHost")
  static var CannotConnectToHost: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="networkConnectionLost")
  static var NetworkConnectionLost: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="dnsLookupFailed")
  static var DNSLookupFailed: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="httpTooManyRedirects")
  static var HTTPTooManyRedirects: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="resourceUnavailable")
  static var ResourceUnavailable: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="notConnectedToInternet")
  static var NotConnectedToInternet: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="redirectToNonExistentLocation")
  static var RedirectToNonExistentLocation: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="badServerResponse")
  static var BadServerResponse: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="userCancelledAuthentication")
  static var UserCancelledAuthentication: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="userAuthenticationRequired")
  static var UserAuthenticationRequired: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="zeroByteResource")
  static var ZeroByteResource: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="cannotDecodeRawData")
  static var CannotDecodeRawData: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="cannotDecodeContentData")
  static var CannotDecodeContentData: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="cannotParseResponse")
  static var CannotParseResponse: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileDoesNotExist")
  static var FileDoesNotExist: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="fileIsDirectory")
  static var FileIsDirectory: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="noPermissionsToReadFile")
  static var NoPermissionsToReadFile: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="secureConnectionFailed")
  static var SecureConnectionFailed: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="serverCertificateHasBadDate")
  static var ServerCertificateHasBadDate: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="serverCertificateUntrusted")
  static var ServerCertificateUntrusted: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="serverCertificateHasUnknownRoot")
  static var ServerCertificateHasUnknownRoot: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="serverCertificateNotYetValid")
  static var ServerCertificateNotYetValid: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="clientCertificateRejected")
  static var ClientCertificateRejected: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="clientCertificateRequired")
  static var ClientCertificateRequired: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="cannotLoadFromNetwork")
  static var CannotLoadFromNetwork: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="cannotCreateFile")
  static var CannotCreateFile: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="cannotOpenFile")
  static var CannotOpenFile: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="cannotCloseFile")
  static var CannotCloseFile: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="cannotWriteToFile")
  static var CannotWriteToFile: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="cannotRemoveFile")
  static var CannotRemoveFile: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="cannotMoveFile")
  static var CannotMoveFile: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="downloadDecodingFailedMidStream")
  static var DownloadDecodingFailedMidStream: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="downloadDecodingFailedToComplete")
  static var DownloadDecodingFailedToComplete: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="internationalRoamingOff")
  static var InternationalRoamingOff: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="callIsActive")
  static var CallIsActive: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="dataNotAllowed")
  static var DataNotAllowed: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="requestBodyStreamExhausted")
  static var RequestBodyStreamExhausted: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="backgroundSessionRequiresSharedContainer")
  static var BackgroundSessionRequiresSharedContainer: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="backgroundSessionInUseByAnotherProcess")
  static var BackgroundSessionInUseByAnotherProcess: NSURLError {
    fatalError("unavailable accessor can't be called")
  }

  @available(*, unavailable, renamed="backgroundSessionWasDisconnected")
  static var BackgroundSessionWasDisconnected: NSURLError {
    fatalError("unavailable accessor can't be called")
  }
}

extension POSIXError : _BridgedNSError {
  public static var _nsErrorDomain: String { return NSPOSIXErrorDomain }
}

extension MachError : _BridgedNSError {
  public static var _nsErrorDomain: String { return NSMachErrorDomain }
}