public void BuildDescription(ref TypeBatch batch, int bundleIndex, int innerIndex, out Contact4NonconvexOneBody description)
 {
     NonconvexConstraintHelpers.BuildOneBodyDescription <Contact4NonconvexOneBody, Contact4NonconvexOneBodyPrestepData>(ref batch, bundleIndex, innerIndex, out description);
 }
 public void ApplyDescription(ref TypeBatch batch, int bundleIndex, int innerIndex)
 {
     NonconvexConstraintHelpers.ApplyOneBodyDescription <Contact4NonconvexOneBody, Contact4NonconvexOneBodyPrestepData>(ref this, ref batch, bundleIndex, innerIndex);
 }