private String getAuthor(PropertyValue propertyValue)
            throws IOException, TikaMemoryLimitException {
        OneNotePtr content = new OneNotePtr(oneNoteDocument, dif);
        content.reposition(propertyValue.rawData);
        if (content.size() > dif.size()) {
            throw new TikaMemoryLimitException(
                    "File data store cb " + content.size() + " exceeds document size: " +
                            dif.size());
        }
        ByteBuffer buf = ByteBuffer.allocate(content.size());
        dif.read(buf);
        return new String(buf.array(), StandardCharsets.UTF_16LE);
    }
returns a UTF-16LE author string.

@param propertyValue The property value of an author.
@return Resulting author string in UTF-16LE format.
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/src/main/java/org/apache/tika/parser/microsoft/onenote/OneNoteTreeWalker.java