return new ChatSearchResult(Collections.emptyList(), null, 0L);
        }

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final int maxDocs = fessConfig.getRagChatContextMaxDocumentsAsInteger();

        try {
            final SearchRenderData data = new SearchRenderData();
            final ChatSearchRequestParams params =

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not integer.
     */
    Integer getRagChatContextMaxDocumentsAsInteger();

    /**
     * Get the value for the key 'rag.chat.session.timeout.minutes'. <br>
     * The value is, e.g. 30 <br>
     * comment: Session settings.