DefaultContentsParser defaultContentsParser = new DefaultContentsParser();
    String[] supportedFields = new String[] { "content", "title" };
    String[] tagFieldNames = new String[] { "label", "virtual_host" };
    String roleFieldName = "role";

    @BeforeClass
    public static void beforeClass() throws Exception {
        runner = new OpenSearchRunner();
        runner.onBuild((number, settingsBuilder) -> {

        roleTypeList.add("admin");
        dataMap.put("role", roleTypeList);
        final List<String> virtualHostList = new ArrayList<String>();
        virtualHostList.add("site1");
        dataMap.put("virtual_host", virtualHostList);

        assertEquals(
                "87e7e4a2d5e2e24147ffd8820b70877a4cee15abdd48f7702e8233f0d17d7369f6d861124f106b541e6652a3e7a94cd51a332a2500fd065de6920559458cd3de",

        assertEquals("content", settings.array().get(SuggestSettings.DefaultKeys.SUPPORTED_FIELDS)[0]);
        assertEquals("label,virtual_host", settings.getAsString(SuggestSettings.DefaultKeys.TAG_FIELD_NAME, ""));
        assertEquals("role", settings.getAsString(SuggestSettings.DefaultKeys.ROLE_FIELD_NAME, ""));
    }

    @Test

        };
        ComponentUtil.register(client, "searchEngineClient");

        final String virtualHost = "aaa";

        assertEquals(1, indexingHelper.deleteByVirtualHost(virtualHost));
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals("virtual_host", resultMap.get("field"));
        assertEquals(virtualHost, resultMap.get("value"));
    }

    @Test
    public void test_calculateDocumentSize() {

        // cache
        // digest
        // host
        // site
        // url
        // anchor
        // content_length
        // last_modified
        // id
        // virtual_host
        defaultDataMap.put(fessConfig.getIndexFieldVirtualHost(),
                stream(config.getVirtualHosts()).get(stream -> stream.filter(StringUtil::isNotBlank).collect(Collectors.toList())));

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

                return "url,title,role,boost";
            }

            @Override
            public String getIndexAdminArrayFields() {
                return "lang,role,label,anchor,virtual_host";
            }

            @Override
            public String getIndexAdminDateFields() {
                return "expires,created,timestamp,last_modified";
            }

            @Override

        final Map<String, Object> defaultSettings = new HashMap<>();
        defaultSettings.put(DefaultKeys.INDEX, (settingsId + ".suggest").toLowerCase());
        defaultSettings.put(DefaultKeys.TAG_FIELD_NAME, "label,virtual_host");
        defaultSettings.put(DefaultKeys.ROLE_FIELD_NAME, "role");
        defaultSettings.put(DefaultKeys.LANG_FIELD_NAME, "lang");
        defaultSettings.put(DefaultKeys.PARALLEL_PROCESSING, Boolean.FALSE);

    static final DefaultContentsParser parser = new DefaultContentsParser();
    static final String[] supportedFields = new String[] { "content", "title" };
    static final String[] tagFieldNames = new String[] { "label", "virtual_host" };
    static final String roleFieldName = "role";

    @BeforeClass
    public static void beforeClass() throws Exception {
        runner = new OpenSearchRunner();

            "filename", "content", "has_cache", "cache", "digest", "host", "site", "segment", "config_id", "parent_id", "content_length",
            "favorite_count", "click_count", "created", "timestamp", "last_modified", "expires", "virtual_host", "doc_id");

    // ===================================================================================
    // Attribute
    // =========

    /** Client for interacting with the search engine. */
    @Resource