public long getCreationTimestamp() {
        return creationTimestamp;
    }
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