code: public T withAlias(String text, String languageCode) {
  		withAlias(factory.getMonolingualTextValue(text, languageCode));
  		return getThis();
  	}
docs: Adds an additional alias to the constructed document.
  
  @param text
  the text of the alias
  @param languageCode
  the language code of the alias
  @return builder object to continue construction