if (!timings.isEmpty()) {
                double avgTime = timings.stream().mapToLong(Long::longValue).average().orElse(0.0);
                long maxTime = timings.stream().mapToLong(Long::longValue).max().orElse(0L);
                long minTime = timings.stream().mapToLong(Long::longValue).min().orElse(0L);

                double variance = (maxTime - minTime) / avgTime;

        }

        public long getConnectionsCreated() {
            return connectionsCreated.get();
        }

        public long getSuccessCount() {
            return successCount.get();
        }

        public long getFailureCount() {
            return failureCount.get();
        }

        public long getFirstConnectionTime() {
            return firstConnectionTime;

     * @return the key associated with the request
     * @throws IOException if an I/O error occurs
     */
    protected <T extends Response> long doSend(final Request request, final T response, final Set<RequestParam> params, final long timeout)
            throws IOException {
        final long firstKey = prepareRequests(request, response, params, timeout);
        doSend(request);
        return firstKey;
    }

    /**

    private final AtomicLong bytesEncrypted = new AtomicLong(0);
    private long encryptionStartTime = System.currentTimeMillis();

    // Configurable key rotation limits with defaults
    private volatile long keyRotationBytesLimit = 1L << 30; // Default: 1GB
    private volatile long keyRotationTimeLimit = 24 * 60 * 60 * 1000L; // Default: 24 hours

    // Rotation metrics

        Mockito.when(mockAddress.getHostAddress()).thenReturn("127.0.0.1");

        // Start timing
        long overallStart = System.nanoTime();

        for (int t = 0; t < threadCount; t++) {
            executor.submit(() -> {
                try {
                    startLatch.await();

                    long threadStart = System.nanoTime();
                    for (int i = 0; i < operationsPerThread; i++) {

   * {@code expectedInsertions} that was used when constructing the filter.
   *
   * @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

        private final int activeSessions;
        private final int totalChannels;
        private final long totalRequests;
        private final long totalChannelsCreated;

        public ChannelStatistics(int activeSessions, int totalChannels, long totalRequests, long totalChannelsCreated) {
            this.activeSessions = activeSessions;
            this.totalChannels = totalChannels;

     */
    protected long witnessHeartbeatTimeout = 120000; // 2 minutes
    /**
     * Timeout in milliseconds for witness registration
     */
    protected long witnessRegistrationTimeout = 300000; // 5 minutes
    /**
     * Delay in milliseconds before attempting witness reconnection
     */
    protected long witnessReconnectDelay = 1000; // 1 second
    /**

     * {@inheritDoc}
     *
     * @see jcifs.SmbFileHandle#close(long)
     */
    @Override
    public synchronized void close(final long lastWriteTime) throws CIFSException {
        closeInternal(lastWriteTime, true);
    }

    /**
     * @param lastWriteTime
     * @throws SmbException
     */
    void closeInternal(final long lastWriteTime, final boolean explicit) throws CIFSException {

     * @see jcifs.util.transport.Response#getExpiration()
     */
    @Override
    public Long getExpiration() {
        return this.expiration;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Response#setExpiration(java.lang.Long)
     */
    @Override
    public void setExpiration(final Long exp) {
        this.expiration = exp;
    }

    /**