System/Library/PrivateFrameworks/Message.framework

Message.DiskSpaceObserver.h

Download Message.DiskSpaceObserver.h

1. _TtCs12_SwiftObject

@interface Message.DiskSpaceObserver : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ queue;
    void /* unknown type, empty encoding */ volume;
    void /* unknown type, empty encoding */ source;
    void /* unknown type, empty encoding */ update;
    void /* unknown type, empty encoding */ lastValue;
}

@end