} catch (ClassNotFoundException e) {
ClassPool pool = ClassGenerator.getClassPool(clazz.getClassLoader());
CtClass ctClass = pool.makeClass(parameterClassName);
ClassFile classFile = ctClass.getClassFile();
classFile.setVersionToJava5();
ctClass.addConstructor(CtNewConstructor.defaultConstructor(pool.getCtClass(parameterClassName)));
// parameter fields
Class<?>[] parameterTypes = method.getParameterTypes();
Annotation[][] parameterAnnotations = method.getParameterAnnotations();
for (int i = 0; i < parameterTypes.length; i ++) {
Class<?> type = parameterTypes[i];