final Map<String, Object> source = new LinkedHashMap<>();
        source.put("title", "Title with \"quotes\" and \\backslash");
        source.put("content", "Line1\nLine2\tTabbed");

        final String json = new JsonIndexExportFormatter().format(source, Collections.emptySet());

        assertTrue(json.contains("\\\"quotes\\\""));
        assertTrue(json.contains("\\\\backslash"));