@interface _PXValueAnimation : NSObject @property (readonly, nonatomic) double duration; @property (readonly, nonatomic) struct _PXValueAnimationSpec { long long type; double duration; long long curve; double epsilon; double stiffness; double dampingRatio; double initialVelocity; } spec; @property (readonly, nonatomic) double currentValue; @property (readonly, nonatomic) double approximateVelocity; @property (readonly, nonatomic) BOOL completed; @property (nonatomic) double startTime; @property (nonatomic) double currentMediaTime; - (id)init; - (double)elapsedTime; - (id)initWithDuration:(double)a0 currentMediaTime:(double)a1 spec:(struct _PXValueAnimationSpec { long long x0; double x1; long long x2; double x3; double x4; double x5; double x6; })a2; - (id)description; - (double)remainingTime; @end