code: public static ClassNameResolver buildDefault() {
          String enable = System.getProperty(Constants.SERIALIZE_BLACKLIST_ENABLE,
              Constants.DEFAULT_SERIALIZE_BLACKLIST_ENABLE);
          if (Boolean.TRUE.toString().equalsIgnoreCase(enable)) {
              ClassNameResolver resolver = new ClassNameResolver();
              resolver.addFilter(new InternalNameBlackListFilter());
              return resolver;
          }
          return null;
      }
docs: Build default ClassNameResolver
  
  @return Default ClassNameResolver