* @param operation the operation name
     * @throws ArithmeticException if operation would overflow
     */
    public static void validateIntegerAddition(int a, int b, String operation) {
        long result = (long) a + (long) b;
        if (result > Integer.MAX_VALUE || result < Integer.MIN_VALUE) {
            throw new ArithmeticException(operation + " would cause integer overflow: " + a + " + " + b);
        }
    }

    private static final long TEST_CREATE_TIME = System.currentTimeMillis() - 86400000L; // 1 day ago
    private static final long TEST_LAST_ACCESS_TIME = System.currentTimeMillis() - 43200000L; // 12 hours ago
    private static final long TEST_LAST_WRITE_TIME = System.currentTimeMillis() - 3600000L; // 1 hour ago
    private static final long TEST_CHANGE_TIME = System.currentTimeMillis(); // now

        final char[] c = new char[size];
        toHexChars(val, c, 0, size);
        return new String(c);
    }

    /**
     * Converts a long value to a hexadecimal string representation with specified padding.
     *
     * @param val the long value to convert to hexadecimal
     * @param size the desired length of the resulting hex string (will be left-padded with zeros)

        "properties" : {
          "boost" : {
            "type" : "float"
          },
          "createdBy" : {
            "type" : "keyword"
          },
          "createdTime" : {
            "type" : "long"
          },
          "maxSize" : {
            "type" : "integer"
          },
          "query" : {
            "type" : "keyword"
          },
          "term" : {
            "type" : "keyword"

        "properties" : {
          "authRealm" : {
            "type" : "keyword"
          },
          "createdBy" : {
            "type" : "keyword"
          },
          "createdTime" : {
            "type" : "long"
          },
          "hostname" : {
            "type" : "keyword"
          },
          "parameters" : {
            "type" : "keyword"
          },
          "password" : {
            "type" : "keyword"

    /**
     * Returns the access count.
     * @return The access count.
     */
    public long getAccessCount() {
        return accessCount.get();
    }

    /**
     * Increments the access count and returns the new value.
     * @return The incremented access count.
     */
    public long incrementAndGetAccessCount() {
        return accessCount.incrementAndGet();
    }

    /**

        return wasInUse;
    }

    @Override
    protected long makeKey(final Request request) throws IOException {
        long m = this.mid.incrementAndGet() - 1;
        if (!this.smb2) {
            m = m % 32000;
        }
        ((CommonServerMessageBlock) request).setMid(m);
        return m;
    }

    @Override
    protected Long peekKey() throws IOException {
        do {

    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

    }

    @Override
    public void transferProgress(TransferEvent transferEvent, byte[] buffer, int length) {
        Long transferred;
        synchronized (transfers) {
            transferred = transfers.get(transferEvent.getResource());
            if (transferred == null) {
                transferred = (long) length;
            } else {
                transferred = transferred + length;
            }

    // Backoff and timing constants (in ms)
    private static final long BASE_POLL_INTERVAL = 1000;
    private static final long MAX_POLL_INTERVAL = 30000;
    private static final long BASE_RETRY_DELAY = 1000;
    private static final long MAX_RETRY_DELAY = 30000;
    private static final int MAX_BACKOFF_SHIFT = 3; // Maximum 8 seconds (2^3 * 1000ms)