/**
     * Receive data using RDMA
     *
     * @param timeout timeout in milliseconds
     * @return received data buffer, or null if timeout
     * @throws IOException if receive fails
     */
    public abstract ByteBuffer receive(int timeout) throws IOException;

    /**
     * Perform RDMA read operation
     *

  public V get() throws InterruptedException, ExecutionException {
    return delegate.get();
  }

  @Override
  @ParametricNullness
  public V get(long timeout, TimeUnit unit)
      throws InterruptedException, ExecutionException, TimeoutException {
    return delegate.get(timeout, unit);
  }

  @Override
  public String toString() {
    return delegate.toString();
  }

        override fun read(
          sink: Buffer,
          byteCount: Long,
        ): Long {
          check(!closed)
          return data.read(sink, byteCount)
        }

        override fun timeout(): Timeout = Timeout.NONE
      }
    return source.buffer().asResponseBody(null, -1)
  }

  private fun newResponse(
    responseBody: ResponseBody,
    code: Int = 200,
  ): Response =
    Response

    } catch (ExecutionException e) {
      rethrow(e);
    }
    throw new AssertionError("Unreachable");
  }

  @Override
  public V get(long timeout, TimeUnit unit)
      throws InterruptedException, ExecutionException, TimeoutException {
    try {
      super.get(timeout, unit);
    } catch (ExecutionException e) {
      rethrow(e);
    }
    throw new AssertionError("Unreachable");
  }

  public boolean isTerminated() {
    synchronized (lock) {
      return shutdown && runningTasks == 0;
    }
  }

  @Override
  public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
    long nanos = unit.toNanos(timeout);
    synchronized (lock) {
      while (true) {
        if (shutdown && runningTasks == 0) {
          return true;
        } else if (nanos <= 0) {
          return false;

    private final boolean permanent;

    private long startTime;

    private int status = ACTIVE;

    TimeoutTask(final TimeoutTarget timeoutTarget, final int timeout, final boolean permanent) {
        this.timeoutTarget = timeoutTarget;
        this.timeoutMillis = timeout * 1000L;
        this.permanent = permanent;
        this.startTime = System.currentTimeMillis();
    }

    /**
     * Returns whether the task has expired.

     * @throws CancellationException {@inheritDoc}
     */
    @CanIgnoreReturnValue
    @Override
    public V get(long timeout, TimeUnit unit)
        throws InterruptedException, TimeoutException, ExecutionException {
      return sync.get(unit.toNanos(timeout));
    }

    /*
     * Improve the documentation of when InterruptedException is thrown. Our

    }

    @Test
    @DisplayName("Test transition to HALF_OPEN after timeout")
    void testTransitionToHalfOpen() throws Exception {
        // Open the circuit
        circuitBreaker.tripBreaker();
        assertEquals(SimpleCircuitBreaker.State.OPEN, circuitBreaker.getState());

        // Wait for timeout
        Thread.sleep(150);

        // Next call should transition to HALF_OPEN

            // RdmaCompletionEvent event = endpoint.getCqProcessor().getCqEvent(timeout);
            // if (event != null) {
            //     return event.getBuffer();
            // }
            // return null;

            // For skeleton implementation, return null (timeout)
            return null;

        } catch (Exception e) {
            state = RdmaConnectionState.ERROR;

     */
    void error();

    /**
     * Gets the expiration time for this response.
     *
     * @return the message timeout
     */
    Long getExpiration();

    /**
     * Sets the expiration time for this response.
     *
     * @param exp the message timeout to set
     */
    void setExpiration(Long exp);

    /**
     * Resets this response to its initial state.
     */