int safeShift = Math.min(MAX_BACKOFF_SHIFT, Math.max(0, retryCount - 1));
                    long multiplier = 1L << safeShift;
                    // Check for potential overflow before multiplication
                    long delay = (retryDelayMs > Long.MAX_VALUE / multiplier) ? MAX_RETRY_DELAY
                            : Math.min(MAX_RETRY_DELAY, retryDelayMs * multiplier);

     * @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);
        }
    }

  }

  @Test fun clientTwoFrameHelloWithPongs() {
    data.write("010348656c".decodeHex()) // Hel
    data.write("8a00".decodeHex()) // Pong
    data.write("8a00".decodeHex()) // Pong
    data.write("8a00".decodeHex()) // Pong
    data.write("8a00".decodeHex()) // Pong
    data.write("80026c6f".decodeHex()) // lo
    clientReader.processNextFrame()
    callback.assertPong(EMPTY)
    callback.assertPong(EMPTY)

     *
     * @param src the source byte array
     * @param si the starting index in the source array
     * @return the decoded long value
     */
    public static long dec_uint64be(final byte[] src, final int si) {
        long l = dec_uint32be(src, si) & 0xFFFFFFFFL;
        l <<= 32L;
        l |= dec_uint32be(src, si + 4) & 0xFFFFFFFFL;
        return l;
    }

    /**

        long flags = 0x1234567890ABCDEFL;
        request.setSmbCreateFlags(flags);

        byte[] buffer = new byte[1024];
        request.writeBytesWireFormat(buffer, 0);

        // Verify flags are written at correct offset (8-15)
        long readFlags = 0;
        for (int i = 0; i < 8; i++) {
            readFlags |= ((long) (buffer[8 + i] & 0xFF)) << (i * 8);
        }

     */
    public void setOffset(final long offset) {
        this.offset = offset;
    }

    /**
     * Add RDMA channel information for direct memory access
     *
     * @param remoteKey remote memory key
     * @param address remote memory address
     * @param length length of memory region
     */
    public void addRdmaChannelInfo(int remoteKey, long address, int length) {

     *
     * @param remoteKey remote memory key for RDMA access (token)
     * @param address remote memory address (offset)
     * @param length length of the memory region
     */
    public RdmaChannelInfo(int remoteKey, long address, int length) {
        // Create SMB2_RDMA_TRANSFORM structure
        this.transform = new Smb2RdmaTransform(address, remoteKey, length);
    }

    /**
     * Create from SMB2 RDMA Transform
     *

   */
  var upstream: Source?,
  /** The number of bytes consumed from [upstream]. Guarded by this. */
  var upstreamPos: Long,
  /** User-supplied additional data persisted with the source data. */
  private val metadata: ByteString,
  /** The maximum size of [buffer]. */
  val bufferMaxSize: Long,
) : Lockable {
  /** The thread that currently has access to upstream. Possibly null. Guarded by this. */

      T target, Class<T> interfaceType, long timeoutDuration, TimeUnit timeoutUnit) {
    checkNotNull(target);
    checkNotNull(interfaceType);
    checkNotNull(timeoutUnit);
    return target; // ha ha
  }

  @CanIgnoreReturnValue // TODO(kak): consider removing this
  @Override
  @ParametricNullness
  public <T extends @Nullable Object> T callWithTimeout(

    }

    /**
     * @return the lastWriteTime
     */
    @Override
    public final long getLastWriteTime() {
        return this.lastWriteTime;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.SmbBasicFileInfo#getCreateTime()
     */
    @Override
    public long getCreateTime() {
        return 0;
    }

    /**
     * {@inheritDoc}
     *