public static final String LABELS_LDAP_BASE_DN = "{labels.ldapBaseDn}";

    /** The key of the message: LDAP URL */
    public static final String LABELS_ldap_provider_url = "{labels.ldap_provider_url}";

    /** The key of the message: User DN */
    public static final String LABELS_ldap_security_principal = "{labels.ldap_security_principal}";

    /** The key of the message: Bind DN */

        fessConfig.setSuggestDocuments(isCheckboxEnabled(form.suggestDocuments));
        fessConfig.setPurgeSuggestSearchLogDay(form.purgeSuggestSearchLogDay);
        fessConfig.setLdapProviderUrl(form.ldapProviderUrl);
        fessConfig.setLdapSecurityPrincipal(form.ldapSecurityPrincipal);
        fessConfig.setLdapAdminSecurityPrincipal(form.ldapAdminSecurityPrincipal);

    public Integer purgeSuggestSearchLogDay;

    /**
     * LDAP server URL for authentication.
     * Used when LDAP authentication is enabled.
     */
    @Size(max = 1000)
    public String ldapProviderUrl;

    /**
     * LDAP security principal for binding to the LDAP server.
     * Used for authenticating with the LDAP server.
     */
    @Size(max = 1000)
    public String ldapSecurityPrincipal;