@interface PFSlowMotionRampConfiguration : NSObject @property (readonly, nonatomic) double rampTime; @property (readonly, nonatomic) double introTime; @property (readonly, nonatomic) double outroTime; @property (readonly, nonatomic) double volumeSuppressionIntroTime; @property (readonly, nonatomic) double volumeSuppressionOutroTime; @property (readonly, nonatomic) unsigned long long playbackNumIntermediateSteps; @property (readonly, nonatomic) unsigned long long exportNumIntermediateSteps; @property (readonly, nonatomic) float playbackRampCurveExponent; @property (readonly, nonatomic) float exportRampCurveExponent; - (id)init; - (void)computeRampToTargetRate:(float)a0 forExport:(BOOL)a1 outTimeSteps:(id *)a2 outIntermediateRates:(id *)a3; - (id)initForRampDown:(BOOL)a0; @end