source.put("cache", "cached");
        source.put("segment", "seg1");
        source.put("host", "example.com");

        final Set<String> excludeFields = Set.of("cache", "segment");
        final String json = new JsonIndexExportFormatter().format(source, excludeFields);

        assertFalse(json.contains("\"cache\""));
        assertFalse(json.contains("\"segment\""));
        assertTrue(json.contains("\"title\": \"Test\""));

            m.appendReplacement(segBuf, StringUtil.EMPTY);
            String segment = segBuf.toString();
            for (int i = 0; i < queries.length; i++) {
                segment = Pattern.compile(regexQueries[i], Pattern.CASE_INSENSITIVE).matcher(segment).replaceAll(hlQueries[i]);
            }
            buf.append(segment);
            buf.append(m.group(0));
        }
        segBuf.setLength(0);

                                        <td><a  <c:if test="${fe:permission('admin-searchlist-view')}">
                                            href="${fe:url('/admin/searchlist/search')}?q=segment:${f:u(sessionId)}" </c:if> >${f:h(sessionId)}</a>
                                            <la:hidden property="sessionId"/></td>
                                    </tr>

                                    <label for="doc.segment" class="col-sm-3 text-sm-right col-form-label">segment</label>
                                    <div class="col-sm-9">
                                        <la:errors property="doc.segment"/>
                                        <la:text styleId="doc.segment" property="doc.segment" styleClass="form-control"/>
                                    </div>

        }
        //  expires
        if (documentExpires != null) {
            defaultDataMap.put(fessConfig.getIndexFieldExpires(), documentExpires);
        }
        // segment
        defaultDataMap.put(fessConfig.getIndexFieldSegment(), initParamMap.getAsString(Constants.SESSION_ID));
        // created
        defaultDataMap.put(fessConfig.getIndexFieldCreated(), systemHelper.getCurrentTime());

      },
      "role": {
        "type": "keyword"
      },
      "label": {
        "type": "keyword"
      },
      "virtual_host": {
        "type": "keyword"
      },
      "segment": {
        "type": "keyword"
      },
      "site": {
        "type": "keyword"
      },
      "title": {
        "type": "text",
        "analyzer": "standard_analyzer",

            public String getIndexFieldLabel() {
                return "label";
            }

            @Override
            public String getIndexFieldSegment() {
                return "segment";
            }

            @Override
            public String getIndexFieldExpires() {
                return "expires";
            }

            @Override

      },
      "role": {
        "type": "keyword"
      },
      "label": {
        "type": "keyword"
      },
      "virtual_host": {
        "type": "keyword"
      },
      "segment": {
        "type": "keyword"
      },
      "site": {
        "type": "keyword"
      },
      "title": {
        "type": "text",
        "analyzer": "standard_analyzer",

      },
      "role": {
        "type": "keyword"
      },
      "label": {
        "type": "keyword"
      },
      "virtual_host": {
        "type": "keyword"
      },
      "segment": {
        "type": "keyword"
      },
      "site": {
        "type": "keyword"
      },
      "title": {
        "type": "text",
        "analyzer": "standard_analyzer",

        final String sessionId = "session1";

        assertEquals(1, indexingHelper.deleteBySessionId(sessionId));
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals("segment", resultMap.get("field"));
        assertEquals(sessionId, resultMap.get("value"));
    }

    @Test
    public void test_deleteByConfigId() {
        final Map<String, String> resultMap = new HashMap<>();