docs: protected void addTypeNamesTags(StringBuilder resultString, Result result) {
  		if (mergeTypeNamesTags) {
  			// Produce a single tag with all the TypeName keys concatenated and all the values joined with '_'.
  			String typeNameValues = TypeNameValuesStringBuilder.getDefaultBuilder().build(typeNames, result.getTypeName());
  			addTag(resultString, StringUtils.join(typeNames, ""), typeNameValues);
  		} else {
  			Map<String, String> typeNameMap = TypeNameValue.extractMap(result.getTypeName());
  			for (String oneTypeName : typeNames) {
  				String value = typeNameMap.get(oneTypeName);
  				if (value == null)
  					value = "";
  				addTag(resultString, oneTypeName, value);
  			}
  		}
  	}