* 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.

        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 )

    /**

        assertTrue(result.contains("fileConfig"));
    }

    @Test
    public void test_getSAXHandlerMethods() throws SAXException {
        GsaConfigParser parser = new GsaConfigParser();

        parser.startDocument();

        char[] chars = "test".toCharArray();
        parser.characters(chars, 0, chars.length);

        parser.endDocument();
    }