code: public void finalizeContent(final XMLUtil xmlUtil, final ZipUTF8Writer writer) throws IOException {
          this.contentElement.flushTables(xmlUtil, writer);
          this.contentElement.writePostamble(xmlUtil, writer);
      }
docs: Flush tables and write end of document
  
  @param xmlUtil the util
  @param writer  the stream to write
  @throws IOException when write fails