&& list.getSBaseListType().equals(
ListOf.Type.listOfConstraints)
&& ((model.getLevel() == 2 && model
.getVersion() > 1) || model.getLevel() >= 3)) {
Constraint constraint = (Constraint) newContextObject;
model.addConstraint(constraint);
return constraint;
} else if (elementName.equals("reaction")
&& list.getSBaseListType().equals(
ListOf.Type.listOfReactions)) {