}
public static void computeBeginPositionChange(ITrajectory2DY trajectory, boolean deltaLock,
boolean yTrajectory, double integrationTime) {
Trajectory2DYImpl trajectoryImpl = AutoCopier.toImpl(trajectory, Trajectory2DYImpl.class);
Trajectory2DYImpl result = (Trajectory2DYImpl) Config2DApi.computeBeginPositionChange(
trajectoryImpl, deltaLock, yTrajectory, integrationTime);
swapTrajectory(trajectory, result);
// return null;