public List<Byte> serializeToByteList() {
        return ByteUtil.toListOfByte(this.data);
    }
This method is used to convert the element of FourBytesOfData into a byte List.

@return Return the byte list which store the byte information of FourBytesOfData.
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/src/main/java/org/apache/tika/parser/microsoft/onenote/fsshttpb/property/FourBytesOfData.java