@interface SiriMailInternal.MailMessageConcept : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ mockGlobals;
    void /* unknown type, empty encoding */ subject;
    void /* unknown type, empty encoding */ body;
    void /* unknown type, empty encoding */ sender;
    void /* unknown type, empty encoding */ recipients;
    void /* unknown type, empty encoding */ type;
}

@end