}

    default boolean isSuggestDocuments() {
        return getSystemPropertyAsBoolean(Constants.SUGGEST_DOCUMENTS_PROPERTY, true);
    }

    default void setPurgeSuggestSearchLogDay(final int value) {
        setSystemPropertyAsInt(Constants.PURGE_SUGGEST_SEARCH_LOG_DAY_PROPERTY, value);
    }

    default int getPurgeSuggestSearchLogDay() {

        fessConfig.setSuggestSearchLog(isCheckboxEnabled(form.suggestSearchLog));
        fessConfig.setSuggestDocuments(isCheckboxEnabled(form.suggestDocuments));
        fessConfig.setPurgeSuggestSearchLogDay(form.purgeSuggestSearchLogDay);
        fessConfig.setLdapProviderUrl(form.ldapProviderUrl);
        fessConfig.setLdapSecurityPrincipal(form.ldapSecurityPrincipal);