# File lib/active_ldap/object_class.rb, line 27
    def replace_class(*target_classes)
      new_classes = target_classes.flatten.compact.uniq
      assert_object_classes(new_classes)
      if new_classes.sort != classes.sort
        set_attribute('objectClass', new_classes)
        clear_object_class_based_cache
      end
    end