id: String?,
    type: String?,
    data: Buffer,
  ) {
    if (data.size != 0L) {
      lastId = id
      data.skip(1L) // Leading newline.
      callback.onEvent(id, type, data.readUtf8())
    }
  }

  companion object {
    private val options =
      Options.of(
        // 0
        "\r\n".encodeUtf8(),
        // 1
        "\r".encodeUtf8(),
        // 2

            final String autoExpandReplicas) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        String source = FileUtil.readUTF8(indexConfigFile);
        String dictionaryPath = System.getProperty("fess.dictionary.path", StringUtil.EMPTY);
        if (StringUtil.isNotBlank(dictionaryPath) && !dictionaryPath.endsWith("/")) {