@class PHImportCanceler, PHImportAsset; @interface PHImportAssetDataRequest : NSObject { PHImportCanceler *_canceler; } @property (copy, nonatomic) id /* block */ cancelBlock; @property (retain, nonatomic) PHImportAsset *asset; @property (readonly, nonatomic) PHImportAsset *requestAsset; - (BOOL)isCanceled; - (id)initWithAsset:(id)a0; - (void).cxx_destruct; - (void)cancel; @end