docs: public final Cache2kBuilder<K, V> name(String _uniqueName, Class<?> _class, String _fieldName) {
      if (_fieldName == null) {
        throw new NullPointerException();
      }
      if (_uniqueName == null) {
        return name(_class, _fieldName);
      }
      config().setName(_uniqueName + '~' + _class.getName() + "." + _fieldName);
      return this;
    }