@Override
 protected void reset(long cPtr, boolean cMemoryOwn) {
   if (!destroyed) destroy();
   super.reset(DynamicsJNI.btContactConstraint_SWIGUpcast(swigCPtr = cPtr), cMemoryOwn);
 }
 protected btContactConstraint(final String className, long cPtr, boolean cMemoryOwn) {
   super(className, DynamicsJNI.btContactConstraint_SWIGUpcast(cPtr), cMemoryOwn);
   swigCPtr = cPtr;
 }