struct MessageComposeResult : RawRepresentable, Equatable {
    init(_ rawValue: UInt32)
    init(rawValue rawValue: UInt32)
    var rawValue: UInt32
}

enum MessageComposeResult : Int {
    case cancelled
    case sent
    case failed
}

var MessageComposeResultCancelled: MessageComposeResult { get }

case cancelled

var MessageComposeResultFailed: MessageComposeResult { get }

case failed

var MessageComposeResultSent: MessageComposeResult { get }

case sent

struct MFMailComposeErrorCode : RawRepresentable, Equatable {
    init(_ rawValue: UInt32)
    init(rawValue rawValue: UInt32)
    var rawValue: UInt32
}

enum Code : Int {
        typealias _ErrorType = MFMailComposeError
        case saveFailed
        case sendFailed
    }

var MFMailComposeErrorCodeSaveFailed: MFMailComposeErrorCode { get }

case saveFailed

var MFMailComposeErrorCodeSendFailed: MFMailComposeErrorCode { get }

case sendFailed

struct MFMailComposeResult : RawRepresentable, Equatable {
    init(_ rawValue: UInt32)
    init(rawValue rawValue: UInt32)
    var rawValue: UInt32
}

enum MFMailComposeResult : Int {
    case cancelled
    case saved
    case sent
    case failed
}

var MFMailComposeResultCancelled: MFMailComposeResult { get }

case cancelled

var MFMailComposeResultFailed: MFMailComposeResult { get }

case failed

var MFMailComposeResultSaved: MFMailComposeResult { get }

case saved

var MFMailComposeResultSent: MFMailComposeResult { get }

case sent

class MFMailComposeViewController : UINavigationController {
    class func canSendMail() -> Bool
    unowned(unsafe) var mailComposeDelegate: MFMailComposeViewControllerDelegate?
    func setSubject(_ subject: String)
    func setToRecipients(_ toRecipients: [String]?)
    func setCcRecipients(_ ccRecipients: [String]?)
    func setBccRecipients(_ bccRecipients: [String]?)
    func setMessageBody(_ body: String, isHTML isHTML: Bool)
    func addAttachmentData(_ attachment: NSData, mimeType mimeType: String, fileName filename: String)
}

class MFMailComposeViewController : UINavigationController {
    class func canSendMail() -> Bool
    unowned(unsafe) var mailComposeDelegate: MFMailComposeViewControllerDelegate?
    func setSubject(_ subject: String)
    func setToRecipients(_ toRecipients: [String]?)
    func setCcRecipients(_ ccRecipients: [String]?)
    func setBccRecipients(_ bccRecipients: [String]?)
    func setMessageBody(_ body: String, isHTML isHTML: Bool)
    func addAttachmentData(_ attachment: Data, mimeType mimeType: String, fileName filename: String)
}

func addAttachmentData(_ attachment: NSData, mimeType mimeType: String, fileName filename: String)

func addAttachmentData(_ attachment: Data, mimeType mimeType: String, fileName filename: String)

protocol MFMailComposeViewControllerDelegate : NSObjectProtocol {
    optional func mailComposeController(_ controller: MFMailComposeViewController, didFinishWithResult result: MFMailComposeResult, error error: NSError?)
}

protocol MFMailComposeViewControllerDelegate : NSObjectProtocol {
    optional func mailComposeController(_ controller: MFMailComposeViewController, didFinishWith result: MFMailComposeResult, error error: Error?)
}

optional func mailComposeController(_ controller: MFMailComposeViewController, didFinishWithResult result: MFMailComposeResult, error error: NSError?)

optional func mailComposeController(_ controller: MFMailComposeViewController, didFinishWith result: MFMailComposeResult, error error: Error?)

class MFMessageComposeViewController : UINavigationController {
    class func canSendText() -> Bool
    class func canSendSubject() -> Bool
    class func canSendAttachments() -> Bool
    class func isSupportedAttachmentUTI(_ uti: String) -> Bool
    unowned(unsafe) var messageComposeDelegate: MFMessageComposeViewControllerDelegate?
    func disableUserAttachments()
    var recipients: [String]?
    var body: String?
    var subject: String?
    var attachments: [[NSObject : AnyObject]]? { get }
    func addAttachmentURL(_ attachmentURL: NSURL, withAlternateFilename alternateFilename: String?) -> Bool
    func addAttachmentData(_ attachmentData: NSData, typeIdentifier uti: String, filename filename: String) -> Bool
}

class MFMessageComposeViewController : UINavigationController {
    class func canSendText() -> Bool
    class func canSendSubject() -> Bool
    class func canSendAttachments() -> Bool
    class func isSupportedAttachmentUTI(_ uti: String) -> Bool
    unowned(unsafe) var messageComposeDelegate: MFMessageComposeViewControllerDelegate?
    func disableUserAttachments()
    var recipients: [String]?
    var body: String?
    var subject: String?
    var attachments: [[AnyHashable : Any]]? { get }
    @NSCopying var message: MSMessage?
    func addAttachmentURL(_ attachmentURL: URL, withAlternateFilename alternateFilename: String?) -> Bool
    func addAttachmentData(_ attachmentData: Data, typeIdentifier uti: String, filename filename: String) -> Bool
}

func addAttachmentData(_ attachmentData: NSData, typeIdentifier uti: String, filename filename: String) -> Bool

func addAttachmentData(_ attachmentData: Data, typeIdentifier uti: String, filename filename: String) -> Bool

func addAttachmentURL(_ attachmentURL: NSURL, withAlternateFilename alternateFilename: String?) -> Bool

func addAttachmentURL(_ attachmentURL: URL, withAlternateFilename alternateFilename: String?) -> Bool

var attachments: [[NSObject : AnyObject]]? { get }

var attachments: [[AnyHashable : Any]]? { get }

protocol MFMessageComposeViewControllerDelegate : NSObjectProtocol {
    func messageComposeViewController(_ controller: MFMessageComposeViewController, didFinishWithResult result: MessageComposeResult)
}

protocol MFMessageComposeViewControllerDelegate : NSObjectProtocol {
    func messageComposeViewController(_ controller: MFMessageComposeViewController, didFinishWith result: MessageComposeResult)
}

func messageComposeViewController(_ controller: MFMessageComposeViewController, didFinishWithResult result: MessageComposeResult)

func messageComposeViewController(_ controller: MFMessageComposeViewController, didFinishWith result: MessageComposeResult)

let MFMessageComposeViewControllerTextMessageAvailabilityDidChangeNotification: String

static let MFMessageComposeViewControllerTextMessageAvailabilityDidChange: NSNotification.Name