protected SitemapSet parseTextSitemaps(final InputStream in) {
        final SitemapSet sitemapSet = new SitemapSet();
        sitemapSet.setType(SitemapSet.URLSET);

        try {
            final BufferedReader br = new BufferedReader(new InputStreamReader(in, Constants.UTF_8));
            String line;
            while ((line = br.readLine()) != null) {
                final String url = line.trim();

                        content = getContent(writer -> {
                            BufferedReader br = null;
                            try {
                                if (isByteStream) {
                                    inputStream.reset();
                                    br = new BufferedReader(new InputStreamReader(inputStream, enc));
                                } else {

    }

    private String getDefaultMappings() throws IOException {
        final StringBuilder mappingSource = new StringBuilder();
        try (BufferedReader br = new BufferedReader(new InputStreamReader(
                this.getClass().getClassLoader().getResourceAsStream("suggest_indices/suggest/mappings-default.json")))) {

            String line;

        public InputStreamThread(final InputStream is, final String charset, final int maxOutputLineBuffer) {
            try {
                br = new BufferedReader(new InputStreamReader(is, charset));
            } catch (final UnsupportedEncodingException e) {
                br = new BufferedReader(new InputStreamReader(is, Constants.UTF_8_CHARSET));
            }
            maxLineBuffer = maxOutputLineBuffer;
        }

        final String dictionaryPath = System.getProperty("fess.dictionary.path", StringUtil.EMPTY);
        final StringBuilder sb = new StringBuilder();
        try (BufferedReader br = new BufferedReader(new InputStreamReader(
                this.getClass().getClassLoader().getResourceAsStream("suggest_indices/suggest_settings_array.json")))) {

            String line;

        final String dictionaryPath = System.getProperty("fess.dictionary.path", StringUtil.EMPTY);
        final StringBuilder sb = new StringBuilder();
        try (BufferedReader br =
                new BufferedReader(new InputStreamReader(this.getClass().getClassLoader().getResourceAsStream(getSuggestAnalyzerPath())))) {

            String line;
            while ((line = br.readLine()) != null) {

        final String dictionaryPath = System.getProperty("fess.dictionary.path", StringUtil.EMPTY);
        final StringBuilder sb = new StringBuilder();
        try (BufferedReader br = new BufferedReader(
                new InputStreamReader(this.getClass().getClassLoader().getResourceAsStream("suggest_indices/suggest_settings.json")));) {

            String line;