Common
public class KeyframesWithSplineSpecConfig<T> :
KeyframesSpecBaseConfig<T, KeyframesSpec.KeyframeEntity<T>>()Keyframe configuration class for KeyframesWithSplineSpec.
Since keyframesWithSpline uses the values across all the given intervals to calculate the shape of the animation, KeyframesWithSplineSpecConfig does not allow setting a specific ArcMode between intervals (compared to KeyframesSpecConfig used for keyframes).
