final String contentTitle = (String) item.get("content_title");
        assertTrue(contentTitle.contains("<strong>CodeLibs</strong>"),
                "content_title should contain highlighted 'CodeLibs': " + contentTitle);
    }

    private void testDeleteSearchList() {
        final Map<String, Object> requestBody = new HashMap<>();
        requestBody.put("q", "CodeLibs");

# Tag to use before highlighted text.
query.highlight.tag.pre=<strong>
# Tag to use after highlighted text.
query.highlight.tag.post=</strong>
# Boundary characters for query highlighting.
query.highlight.boundary.chars=u0009u000Au0013u0020
# Maximum scan for query highlight boundaries.
query.highlight.boundary.max.scan=20
# Scanner type for query highlight boundaries.
query.highlight.boundary.scanner=chars

    /** The key of the configuration. e.g. <strong> */
    String QUERY_HIGHLIGHT_TAG_PRE = "query.highlight.tag.pre";

    /** The key of the configuration. e.g. </strong> */
    String QUERY_HIGHLIGHT_TAG_POST = "query.highlight.tag.post";

    /** The key of the configuration. e.g. u0009u000Au0013u0020 */
    String QUERY_HIGHLIGHT_BOUNDARY_CHARS = "query.highlight.boundary.chars";

    /** Request attribute key for storing queries. */
    public static final String REQUEST_QUERIES = "fess.Queries";

    /** Request attribute key for storing highlight queries. */
    public static final String HIGHLIGHT_QUERIES = "fess.HighlightQueries";

    /** Request attribute key for storing field logs. */
    public static final String FIELD_LOGS = "fess.FieldLogs";

                            .noMatchSize(noMatchSize)
                            .order(order)
                            .phraseLimit(phraseLimit)).encoder(encoder)));
            searchRequestBuilder.highlighter(highlightBuilder);
        }

        /**
         * Builds the sort configuration.
         *
         * @param queryContext the query context