result.add("");
	private String[] buildNLVariants(String nl) {		ArrayList result = new ArrayList();		int lastSeparator;		while ((lastSeparator = nl.lastIndexOf('_')) != -1) {			result.add(nl);			if (lastSeparator != -1) {				nl = nl.substring(0, lastSeparator);			}		}		result.add(nl);		return (String[]) result.toArray(new String[result.size()]);	}