class func allocWithZone(_ zone: COpaquePointer) -> Self!

class func allocWithZone(_ zone: NSZone) -> Self!

struct NSZone : NilLiteralConvertible {
    var pointer: COpaquePointer
    init()
    static func convertFromNilLiteral() -> NSZone
}

struct NSZone : NilLiteralConvertible {
    var pointer: COpaquePointer
    init()
    init(nilLiteral nilLiteral: ())
}

struct ObjCBool : BooleanType, BooleanLiteralConvertible {
    var value: Int8
    init(_ value: Int8)
    init(_ value: Bool)
    var boolValue: Bool { get }
    static func convertFromBooleanLiteral(_ value: Bool) -> ObjCBool
}

struct ObjCBool : BooleanType, BooleanLiteralConvertible {
    var value: Int8
    init(_ value: Int8)
    init(_ value: Bool)
    var boolValue: Bool { get }
    init(booleanLiteral value: Bool)
}

struct Selector : StringLiteralConvertible, NilLiteralConvertible {
    var ptr: COpaquePointer
    init(_ str: String)
    static func convertFromExtendedGraphemeClusterLiteral(_ value: String) -> Selector
    static func convertFromStringLiteral(_ value: String) -> Selector
    init()
    static func convertFromNilLiteral() -> Selector
}

struct Selector : StringLiteralConvertible, NilLiteralConvertible {
    var ptr: COpaquePointer
    init(_ str: String)
    init(unicodeScalarLiteral value: String)
    init(extendedGraphemeClusterLiteral value: String)
    init(stringLiteral value: String)
    init()
    init(nilLiteral nilLiteral: ())
}

struct objc_object {
}

struct objc_object {
    var isa: AnyClass!
}