private void writeHeader(DataWriter out) throws IOException {
        DataBlock headerBlock = serialized.headerBlock();
        headerBlock.markBegin(out);
        out.writeStruct(serialized.header());
        headerBlock.markEnd(out);
        L.log(Level.FINER, "headerBlock: {0}", headerBlock);
    }
@author Nico Bergemann <barracuda415 at yahoo.de>
disunity-core/src/main/java/info/ata4/junity/serialize/SerializedFileWriter.java