@class NSString; @interface PIVignetteAdjustmentController : PIAdjustmentController @property (class, readonly, nonatomic) NSString *intensityKey; @property (class, readonly, nonatomic) NSString *radiusKey; @property (class, readonly, nonatomic) NSString *falloffKey; @property (nonatomic) double intensity; @property (nonatomic) double radius; @property (nonatomic) double falloff; @end