serializer.setProperty("http://xmlpull.org/v1/doc/properties.html#serializer-line-separator", "\n");
        serializer.setOutput(writer);
        serializer.startDocument(coreExtensions.getModelEncoding(), null);
        writeCoreExtensions(coreExtensions, "extensions", serializer);
        serializer.endDocument();
    } // -- void write( Writer, CoreExtensions )

    /**

        private String fieldName;

        private final StringBuilder buffer = new StringBuilder(1000);

        @Override
        public void startDocument() {
            dataMap.clear();
        }

        @Override
        public void startElement(final String uri, final String localName, final String qName, final Attributes attributes) {

        /**
         * Creates a new XmlSitemapsHandler instance.
         */
        public XmlSitemapsHandler() {
            // Default constructor
        }

        @Override
        public void startDocument() {
            sitemapSet = new SitemapSet();
            sitemapSet.setType(SitemapSet.URLSET);
        }

        @Override

     * Initializes internal data structures for processing the GSA configuration.
     *
     * @throws SAXException if a SAX error occurs during initialization
     */
    @Override
    public void startDocument() throws SAXException {
        tagQueue = new LinkedList<>();
        labelList = new ArrayList<>();
        labelType = null;
    }

    /**
     * SAX event handler called at the end of document parsing.

getProperty(String) throws IllegalArgumentExcep; private String getLocation(); public java.io.Writer getWriter(); public void setOutput(java.io.Writer); public void setOutput(java.io.OutputStream, String) throws java.io.IOException; public void startDocument(String, Boolean) throws java.io.IOException; public void endDocument() throws java.io.IOException; public void setPrefix(String, String) throws java.io.IOException; protected String lookupOrDeclarePrefi(String); public String getPrefix(String,...