@class NSObject; @protocol OS_dispatch_queue; @interface PDFBlockQueuePair : NSObject @property (readonly) id /* block */ block; @property (readonly) NSObject<OS_dispatch_queue> *queue; + (id)blockQueuePairWithBlock:(id /* block */)a0 andQueue:(id)a1; - (void).cxx_destruct; - (id)initWithBlock:(id /* block */)a0 andQueue:(id)a1; @end