/**
     * Send a request over the transport
     *
     * @param request the request to send
     * @throws IOException if an I/O error occurs
     */
    protected abstract void doSend(Request request) throws IOException;

    /**
     * Receive a response from the transport
     *
     * @param response the response object to populate
     * @throws IOException if an I/O error occurs
     */

     * @param response
     * @param params
     * @throws IOException
     * @throws SmbException
     * @throws TransportException
     * @throws EOFException
     */
    private <T extends CommonServerMessageBlock & Response> T sendComTransaction(final CommonServerMessageBlockRequest request,
            final T response, final Set<RequestParam> params) throws IOException, SmbException, TransportException, EOFException {

            state = RdmaConnectionState.ERROR;
            throw new IOException("DiSNI RDMA connection failed", e);
        }
    }

    @Override
    public void send(ByteBuffer data, RdmaMemoryRegion region) throws IOException {
        if (state != RdmaConnectionState.ESTABLISHED && state != RdmaConnectionState.CONNECTED) {
            throw new IOException("Connection not established");
        }

        try {

        this.bytesReceived += byteCount
      } catch (e: IOException) {
        throw complete(e)!!
      }
    }

    @Throws(IOException::class)
    override fun flush() {
      try {
        super.flush()
      } catch (e: IOException) {
        throw complete(e)!!
      }
    }

    @Throws(IOException::class)
    override fun close() {
      if (closed) return
      closed = true

                try {
                    customCb.executeWithCircuitBreaker(() -> {
                        throw new RuntimeException("non-critical error");
                    }, isFailure);
                    fail("Should have thrown exception");
                } catch (CIFSException e) {
                    // Expected - exception is thrown but not counted as failure
                }
            }

      this.closeable = closeable;
      this.thrown = thrown;
      this.suppressed = suppressed;
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof Suppression) {
        Suppression other = (Suppression) obj;
        return closeable.equals(other.closeable)
            && thrown.equals(other.thrown)

                            }
                            throw e;
                        }
                    }
                    break;
                } while (retry);
            }
        } catch (final SmbUnsupportedOperationException e) {
            throw e;
        } catch (final IOException se) {
            throw new CIFSException("Server side copy failed", se);
        } finally {

            state = RdmaConnectionState.ERROR;
            throw new IOException("TCP RDMA connection failed", e);
        }
    }

    @Override
    public void send(ByteBuffer data, RdmaMemoryRegion region) throws IOException {
        if (state != RdmaConnectionState.ESTABLISHED && state != RdmaConnectionState.CONNECTED) {
            throw new IOException("Connection not established");
        }

        try {

                throw sendException;
            }
        }

        @Override
        protected void doRecv(Response response) throws IOException {
            if (recvException != null) {
                throw recvException;
            }
        }

        @Override
        protected void doSkip(Long key) throws IOException {
        }

        @Override
        protected int getResponseTimeout(Request request) {

    @Override
    @Deprecated
    public void connectLogon(final CIFSContext tf) throws SmbException {
        if (tf.getConfig().getLogonShare() == null) {
            try {
                treeConnect(null, null);
            } catch (final SmbException e) {
                throw e;
            } catch (final CIFSException e) {
                throw SmbException.wrap(e);
            }
        } else {