private static Quaternion GetRotation(ref PlayableHandle handle)
        {
            Quaternion result;

            AnimationOffsetPlayable.INTERNAL_CALL_GetRotation(ref handle, out result);
            return(result);
        }
        private static Quaternion GetRotation(ref AnimationOffsetPlayable that)
        {
            Quaternion result;

            AnimationOffsetPlayable.INTERNAL_CALL_GetRotation(ref that, out result);
            return(result);
        }