@interface PUAssetSharedViewModelChange : PUViewModelChange @property (nonatomic) BOOL loadingStatusChanged; @property (nonatomic) BOOL saveProgressChanged; @property (nonatomic) BOOL saveStateChanged; @property (nonatomic) BOOL needsDeferredProcessingChanged; @property (nonatomic) BOOL deferredProcessingNeededChanged; @property (nonatomic) BOOL flippingFullSizeRenderStateChanged; - (BOOL)hasChanges; @end