@interface _PXValueDefaultAnimation : _PXValueAnimation { double _initialValue; long long _curve; } - (id)initWithFromValue:(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; - (double)currentValue; - (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; - (double)approximateVelocity; @end