protected DocMeta docMeta;
    protected final EntityUniqueDrivenProperties __uniqueDrivenProperties = newUniqueDrivenProperties();
    protected final EntityModifiedProperties __modifiedProperties = newModifiedProperties();
    protected EntityModifiedProperties __specifiedProperties;
    protected boolean __createdBySelect;

    // ===================================================================================

    /** The key of the configuration. e.g. 100 */
    String INDEX_REINDEX_SIZE = "index.reindex.size";

    /** The key of the configuration. e.g. {"source":{"index":"__SOURCE_INDEX__","size":__SIZE__},"dest":{"index":"__DEST_INDEX__"},"script":{"source":"__SCRIPT_SOURCE__"}} */
    String INDEX_REINDEX_BODY = "index.reindex.body";

    /** The key of the configuration. e.g. adaptive */

    protected DocMeta docMeta;
    protected final EntityUniqueDrivenProperties __uniqueDrivenProperties = newUniqueDrivenProperties();
    protected final EntityModifiedProperties __modifiedProperties = newModifiedProperties();
    protected EntityModifiedProperties __specifiedProperties;
    protected boolean __createdBySelect;

    // ===================================================================================

                {"source":{"index":"__SOURCE_INDEX__","size":__SIZE__},"dest":{"index":"__DEST_INDEX__"}}
                """;
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String source = template //
                .replace("__SOURCE_INDEX__", fromIndex)//
                .replace("__SIZE__", fessConfig.getIndexReindexSize())//
                .replace("__DEST_INDEX__", toIndex);

    protected DocMeta docMeta;
    protected final EntityUniqueDrivenProperties __uniqueDrivenProperties = newUniqueDrivenProperties();
    protected final EntityModifiedProperties __modifiedProperties = newModifiedProperties();
    protected EntityModifiedProperties __specifiedProperties;
    protected boolean __createdBySelect;

    // ===================================================================================

/** 
 * This is a special name for querying the master browser that serves the
 * list of hosts found in "Network Neighborhood".
 */ 

    public static final String MASTER_BROWSER_NAME = "\u0001\u0002__MSBROWSE__\u0002";

/**
 * A special generic name specified when connecting to a host for which
 * a name is not known. Not all servers respond to this name.
 */

            public OptionalEntity<WebConfig> getWebConfigByName(String name) {
                final WebConfig webConfig = new WebConfig();
                webConfig.setId("01T");
                webConfig.setName("__TEMPLATE__");
                return OptionalEntity.of(webConfig);
            }
        }, WebConfigService.class.getCanonicalName());
        ComponentUtil.register(new FileConfigService() {
            @Override

    protected Map<String, Pair<Map<String, String>, List<Pair<Pattern, String>>>> relatedContentMap = Collections.emptyMap();

    protected String regexPrefix = "regex:";

    protected String queryPlaceHolder = "__QUERY__";

    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        load();
    }

    /**
     * This is a special name for querying the master browser that serves the
     * list of hosts found in "Network Neighborhood".
     */

    public static final String MASTER_BROWSER_NAME = "\u0001\u0002__MSBROWSE__\u0002";

    /**
     * A special generic name specified when connecting to a host for which
     * a name is not known. Not all servers respond to this name.
     */

        assertEquals("_", ldapManager.replaceWithUnderscores("<"));
        assertEquals("_", ldapManager.replaceWithUnderscores(">"));

        assertEquals("_a_", ldapManager.replaceWithUnderscores("/a/"));
        assertEquals("___", ldapManager.replaceWithUnderscores("///"));
        assertEquals("a_a", ldapManager.replaceWithUnderscores("a/a"));
    }

    public void test_allowEmptyGroupAndRole() {