System/Library/PrivateFrameworks/ProactiveSupport.framework

ProactiveSupport.AsyncFIFOQueue.h

Download ProactiveSupport.AsyncFIFOQueue.h

1. _TtCs12_SwiftObject

@interface ProactiveSupport.AsyncFIFOQueue : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ _streamContinuation;
    void /* unknown type, empty encoding */ _task;
}

@end