@interface PXStoryValueAnimation : PXStoryAnimation @property (readonly, nonatomic) struct { long long value; int timescale; unsigned int flags; long long epoch; } duration; @property (readonly, nonatomic) struct { long long curve; union { double linearFraction; } ; } curveInfo; - (id)initWithIdentifier:(id)a0; - (id)init; - (void)updateCurrentValueWithProgress:(double)a0; - (id)initWithDuration:(struct { long long x0; int x1; unsigned int x2; long long x3; })a0 curveInfo:(struct { long long x0; union { double x0; } x1; })a1; - (id)initWithIdentifier:(id)a0 duration:(struct { long long x0; int x1; unsigned int x2; long long x3; })a1 curveInfo:(struct { long long x0; union { double x0; } x1; })a2; - (void)timeDidChange; @end