public static ULong ulong(long value) {
        return ULong.valueOf(value);
    }
Create an <code>unsigned long</code> by masking it with
<code>0xFFFFFFFFFFFFFFFF</code> i.e. <code>(long) -1</code> becomes
<code>(uint) 18446744073709551615</code>

@see ULong#valueOf(long)
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/src/main/java/org/apache/tika/parser/microsoft/onenote/fsshttpb/unsigned/Unsigned.java