val connectionPool = it.connectionPool

      connectionPool.evictAll()
      if (connectionPool.connectionCount() > 0) {
        // Minimise test flakiness due to possible race conditions with connections closing.
        // Some number of tests will report here, but not fail due to this delay.
        println("Delaying to avoid flakes")
        Thread.sleep(500L)
        println("After delay: " + connectionPool.connectionCount())

            throw new IOException("DiSNI RDMA write failed", e);
        }
    }

    @Override
    public void close() throws IOException {
        state = RdmaConnectionState.CLOSING;

        try {
            // In real implementation, this would close the DiSNI endpoint:
            // if (endpoint != null) {
            //     endpoint.close();
            // }
        } finally {

        }

        @Test
        @DisplayName("Should handle close operation")
        void testClose() throws IOException {
            // When: Closing handle
            handle.close();

            // Then: Should complete without errors
            assertDoesNotThrow(() -> handle.close());
        }

        @Test

  try {
    close()
  } catch (e: AssertionError) {
    throw e
  } catch (rethrown: RuntimeException) {
    if (rethrown.message == "bio == null") {
      // Conscrypt in Android 10 and 11 may throw closing an SSLSocket. This is safe to ignore.
      // https://issuetracker.google.com/issues/177450597
      return
    }
    throw rethrown
  } catch (_: Exception) {
  }
}

   * if no streams were processed.
   *
   * @param lastGoodStreamId the last stream ID processed, or zero if no streams were processed.
   * @param errorCode reason for closing the connection.
   * @param debugData only valid for HTTP/2; opaque debug data to send.
   */
  @Throws(IOException::class)
  fun goAway(
    lastGoodStreamId: Int,
    errorCode: ErrorCode,

     *
     * @param name circuit breaker name for logging
     * @param failureThreshold number of failures before opening
     * @param successThreshold number of successes in half-open before closing
     * @param resetTimeoutMillis time to wait before attempting reset (ms)
     * @param halfOpenMaxAttempts max attempts in half-open state
     */

     * It delegates to the release() method to properly clean up the connection.
     */
    @Override
    public void close() {
        if (log.isDebugEnabled()) {
            log.debug("Closing SmbTreeConnection via AutoCloseable.close()");
        }
        release();
    }

    protected void checkRelease() {
        if (isConnected() && this.usageCount.get() != 0) {

        if (toClose != null) {
          connection.connectionListener.connectionClosed(connection)
        }
      } else {
        check(toClose == null) // If we still have a connection we shouldn't be closing any sockets.
      }
    }

    val result = timeoutExit(e)
    if (e != null) {
      eventListener.callFailed(this, result!!)
    } else {
      eventListener.callEnd(this)
    }

    protected int maxReadWriteSize;
    
    public enum RdmaConnectionState {
        DISCONNECTED,
        CONNECTING,
        CONNECTED,
        ESTABLISHED,
        ERROR,
        CLOSING,
        CLOSED
    }
    
    public RdmaConnection(InetSocketAddress remote, InetSocketAddress local) {
        this.remoteAddress = remote;
        this.localAddress = local;

                        this.witnessClient = null;
                        this.witnessEnabled = false;
                    } catch (Exception e) {
                        log.debug("Error closing witness client during emergency cleanup", e);
                    }
                }

                if (this.leaseManager != null) {
                    try {
                        this.leaseManager.shutdown();