System/Library/PrivateFrameworks/SPShared.framework

SPShared.QueueSynchronizer.h

Download SPShared.QueueSynchronizer.h

1. _TtCs12_SwiftObject

@interface SPShared.QueueSynchronizer : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ queue;
    void /* unknown type, empty encoding */ dispatchSpecificKey;
}

@end