@class NSObject; @protocol OS_dispatch_group; @interface PXStoryImageAssetResourcePreloadingOperation : PXStoryDisplayAssetResourcePreloadingOperation @property (retain) NSObject<OS_dispatch_group> *loadingGroup; @property long long imageRequestID; @property double fractionComplete; @property (readonly, nonatomic) struct CGSize { double width; double height; } targetSize; + (id)_resultHandlingQueue; - (id)diagnosticDescription; - (void).cxx_destruct; - (void)cancel; - (void)_handleImageLoadingResultWithImage:(struct CGImage { } *)a0 info:(id)a1; - (id)initWithDisplayAssetResource:(id)a0 mediaProvider:(id)a1; - (id)initWithDisplayAssetResource:(id)a0 targetSize:(struct CGSize { double x0; double x1; })a1 mediaProvider:(id)a2; - (void)px_start; @end