if (clone == null) {
results.append("Actor " + fullName + " was not cloned!");
} else {
List constraints = actor.typeConstraintList();
List cloneConstraints = clone.typeConstraintList();
// Make sure the clone has the same number of constraints.
if (constraints.size() != cloneConstraints.size()) {
results.append(actor.getFullName() + " has "
+ constraints.size() + " constraints that "