docs: public RuleMetadata getMetaData(String attributeName) {
  
          if (metadataList != null && attributeName != null) {
              for (int i = 0; i < metadataList.length; i++) {
                  if (attributeName.equals(metadataList[i].getAttributeName())) {
                      return metadataList[i];
                  }
              }
          }
          return null;
      }