*
   * @since 22.0
   */
  public long approximateElementCount() {
    long bitSize = bits.bitSize();
    long bitCount = bits.bitCount();

    /*
     * Each insertion is expected to reduce the # of clear bits by a factor of
     * `numHashFunctions/bitSize`. So, after n insertions, expected bitCount is `bitSize * (1 - (1 -

                            .replace("\"_index\":\"fess_log.", "\"_index\":\"" + fessConfig.getIndexLogIndex() + "."))
                    .reduce((prev, line) -> {
                        try {
                            if (StringUtil.isBlank(prev)) {
                                final Map<String, Map<String, String>> result =

- **Sequenced Collections** - Full support for Java 21 sequenced collections API with dedicated utility methods
- **Performance Focused** - Optimized implementations for better runtime performance with reduced memory allocation
- **Type Safe** - Comprehensive use of generics and modern Java type system features

### Additional Components

    (
      (if (isCanceled()) "canceled " else "") +
        (if (forWebSocket) "web socket" else "call") +
        " to " + redactedUrl()
    )

  internal fun redactedUrl(): String = originalRequest.url.redact()

  inner class AsyncCall(
    private val responseCallback: Callback,
  ) : Runnable {
    @Volatile var callsPerHost = AtomicInteger(0)
      private set