public static String asRomanNumeralsLower(int i) {
        return asRomanNumerals(i).toLowerCase(Locale.ROOT);
    }
Utility class to allow for conversion from an integer to Roman numerals
or alpha-numeric symbols in line with Pages auto numbering formats.
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-apple-module/src/main/java/org/apache/tika/parser/iwork/AutoPageNumberUtils.java