final String source = fessConfig.getIndexReindexBody()//
                .replace("__SOURCE_INDEX__", fromIndex)//
                .replace("__SIZE__", fessConfig.getIndexReindexSize())//
                .replace("__DEST_INDEX__", toIndex)//
                .replace("__SCRIPT_SOURCE__", ComponentUtil.getLanguageHelper().getReindexScriptSource());

        final List<String> processedCommands = new ArrayList<>();
        for (final String command : commands) {
            processedCommands.add(command.replace("${url}", tempPath).replace("${outputFile}", outputPath));
        }

        // Verify variable replacement
        assertEquals(3, processedCommands.size());
        for (final String cmd : processedCommands) {

          response,
        )
        return
      }

      // This is a long-lived response. Cancel full-call timeouts.
      call?.timeout()?.cancel()

      // Replace the body with a stripped one so the callbacks can't see real data.
      val response = response.stripBody()

      val reader = ServerSentEventReader(body.source(), this)
      try {
        if (!canceled) {

     *
     * @param map A map of data for the document.
     * @return A unique document ID.
     */
    public String generateDocId(final Map<String, Object> map) {
        return UUID.randomUUID().toString().replace("-", StringUtil.EMPTY);
    }

    /**
     * Abbreviates a long text string.
     *
     * @param str The string to abbreviate.
     * @return The abbreviated string.
     */