@interface SiriInference.BackgroundQueue : NSOperationQueue {
    void /* unknown type, empty encoding */ lock;
    void /* unknown type, empty encoding */ pauseRequests;
    void /* unknown type, empty encoding */ queue;
    void /* unknown type, empty encoding */ queueKey;
    void /* unknown type, empty encoding */ queueKeyValue;
}

- (id)init;
- (void).cxx_destruct;

@end