class QuotedStringTokenizer extends StringTokenizer {

    public static String quote(String s) {
        if (s == null)
            return null;
        if (s.length() == 0)
            return "\"\"";

        StringBuilder b = new StringBuilder(s.length() + 8);
        quote(b, s);
        return b.toString();

    }

    public  QuotedStringTokenizer(String str, String delimiter, boolean returnDelimiters, boolean returnQuotes);
    public  QuotedStringTokenizer(String str, String delimiter, boolean returnDelimiters);
    public  QuotedStringTokenizer(String str, String delimiter);
    public  QuotedStringTokenizer(String str);

}