@class NSArray, PKDrawing, NSObject;
@protocol OS_dispatch_queue, PKStrokeSpatialCacheDelegate;
@interface PKStrokeSpatialCache : NSObject {
BOOL _hasValidOnscreenVisibleStrokes;
id<PKStrokeSpatialCacheDelegate> _delegate;
NSArray *_onscreenVisibleStrokes;
id /* block */ _generateOnscreenVisibleStrokesBlock;
NSObject<OS_dispatch_queue> *_onscreenVisibleStrokesQueue;
long long _currentGenerationCount;
PKDrawing *_cachedDrawing;
struct CGRect { struct CGPoint { double x; double y; } origin; struct CGSize { double width; double height; } size; } _cachedBounds;
}
- (id)init;
- (void)dealloc;
- (void).cxx_destruct;
@end