protected static final String RESULT_FIELD = "result";

    private static final String DOC_ID_FIELD = "doc_id";

    protected static final String GET = "GET";

    protected static final String POST = "POST";

    protected String mimeType = "application/json";

    public SearchApiManager() {
        setPathPrefix("/api/v1");
    }

    @PostConstruct
    public void register() {

        this.usePipeline = true;
    }

    protected InetAddress getInetAddressByName(final String host) {
        try {
            return InetAddress.getByName(host);
        } catch (final UnknownHostException e) {
            throw new FessSystemException("Failed to resolve the hostname: " + host, e);
        }
    }

    @PostConstruct
    public void open() {
        if (logger.isDebugEnabled()) {

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "duplicate_host";
    }

    @Override
    public String xgetAliasName() {
        return "duplicate_host";
    }

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

    }

    default void setVirtualHostValue(final String value) {
        setSystemProperty(Constants.VIRTUAL_HOST_VALUE_PROPERTY, value);
        propMap.remove(VIRTUAL_HOST_HEADERS);
    }

    default String getVirtualHostValue() {
        return getSystemProperty(Constants.VIRTUAL_HOST_VALUE_PROPERTY, getVirtualHostHeaders());
    }

    default void setLoginRequired(final boolean value) {