* <b>Note:</b>Constrainer's users should not use this method.
*/
public IntVar addIntVarTraceInternal(int min, int max, String name,
int type, int trace) {
IntVar var = trace != 0 ? new IntVarImplTrace(this, min, max, name,
type, trace) : new IntVarImpl(this, min, max, name, type);
return addIntVarInternal(var);
}