protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexConfigIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_config"), name);
        }
        return indexName;
    }

    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexConfigIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_config"), name);
        }
        return indexName;
    }

    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexConfigIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_config"), name);
        }
        return indexName;
    }

    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexConfigIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_config"), name);
        }
        return indexName;
    }

    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexConfigIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_config"), name);
        }
        return indexName;
    }

    /**
     * The flag to load bulk data during config index rebuild.
     */
    @Size(max = 10)
    public String loadBulkData;

    /**
     * The flag to rebuild fess_config indices.
     */
    @Size(max = 10)
    public String rebuildConfigIndex = Constants.ON;

    /**
     * The flag to rebuild fess_user indices.
     */
    @Size(max = 10)

			<arg>"fess/doc"</arg>
		</postConstruct>
		<!-- fess_config index -->
		<postConstruct name="addIndexConfig">
			<arg>"fess_config.access_token/access_token"</arg>
		</postConstruct>
		<postConstruct name="addIndexConfig">
			<arg>"fess_config.bad_word/bad_word"</arg>
		</postConstruct>
		<postConstruct name="addIndexConfig">
			<arg>"fess_config.boost_document_rule/boost_document_rule"</arg>
		</postConstruct>

    public void test_getIndexName_default() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public String getIndexConfigIndex() {
                return "fess_config";
            }
        });
        assertEquals("fess_config.coordinator", coordinatorHelper.getIndexName());
    }

    @Test

                                            <label for="rebuildConfigIndex" class="form-check-label">fess_config</label>
                                        </div>
                                        <div class="form-check form-check-inline">

    protected void writeFessConfig(final ZipOutputStream zos, final String id) {
        if (fessConfig instanceof SimpleImpl) {
            final Properties prop = new Properties();
            ((SimpleImpl) fessConfig).keySet().stream().forEach(k -> prop.setProperty(k, fessConfig.get(k)));

            final ZipEntry entry = new ZipEntry(id + "/fess_config.properties");
            try {
                zos.putNextEntry(entry);