@class NSObject, NSMutableDictionary, PDFRenderingProperties;
@protocol PDFPageBackgroundManagerDelegate, OS_dispatch_queue;
@interface PDFPageBackgroundManagerPrivate : NSObject {
id<PDFPageBackgroundManagerDelegate> documentDelegate;
PDFRenderingProperties *renderingProperties;
unsigned long long activePageIndex;
NSMutableDictionary *backgroundImageCache[3];
NSObject<OS_dispatch_queue> *workQueue;
BOOL isCancled;
BOOL isWorking;
BOOL willForceUpdate;
}
- (void).cxx_destruct;
@end