public ClassTree getClassTree(Class<?>[] polymorphicClasses) {
String ceilingClass = null;
for (Class<?> clazz : polymorphicClasses) {
AdminPresentationClass classPresentation = clazz.getAnnotation(AdminPresentationClass.class);
if (classPresentation != null) {
String ceilingEntity = classPresentation.ceilingDisplayEntity();
if (!StringUtils.isEmpty(ceilingEntity)) {
ceilingClass = ceilingEntity;
break;
}
}