for (final Map.Entry<String, ClassNode> entry : propertiesToConstrain.entrySet()) {
final String propertyName = entry.getKey();
final ClassNode propertyType = entry.getValue();
final String cpName = "$" + propertyName + "$constrainedProperty";
final ArgumentListExpression constrainedPropertyConstructorArgumentList = new ArgumentListExpression();
constrainedPropertyConstructorArgumentList.addExpression(new ClassExpression(classNode));
constrainedPropertyConstructorArgumentList.addExpression(new ConstantExpression(propertyName));
constrainedPropertyConstructorArgumentList.addExpression(new ClassExpression(propertyType));
final ConstructorCallExpression constrainedPropertyCtorCallExpression = new ConstructorCallExpression(
new ClassNode(ConstrainedProperty.class), constrainedPropertyConstructorArgumentList);
final Expression declareConstrainedPropertyExpression = new DeclarationExpression(
new VariableExpression(cpName, ClassHelper.OBJECT_TYPE),
Token.newSymbol(Types.EQUALS, 0, 0),