code: public boolean isToClass(Class<?> toClass) {
          List<DomainClass> domainClasses = reflectionHelper.getAnnotationWithMeta(toClass, DomainClass.class);
          return 0 != domainClasses.size();
      }
docs: Is the given class a transfer object class?
  <p>
  True when there is a {@link DomainClass} annotation on the class.
  </p>
  
  @param toClass object class to test
  @return true when object is a transfer object