* @throws CIFSException if an error occurs while closing the file
     */
    void close(long lastWriteTime) throws CIFSException;

    /**
     * {@inheritDoc}
     *
     * @see java.lang.AutoCloseable#close()
     */
    @Override
    void close() throws CIFSException;

    /**
     * Releases this file handle without closing it
     *

    val delegate = delegate
    if (delegate != null) {
      this.delegate = null
      delegate.onClosing(webSocket, code, reason)
    } else {
      events.add(Closing(code, reason))
    }
  }

  override fun onClosed(
    webSocket: WebSocket,
    code: Int,
    reason: String,
  ) {
    Platform.get().log("[WS $name] onClosed $code", Platform.INFO, null)

                this.next = null;
                this.treeHandle.release();
            }
        }
    }

    /**
     * Performs the internal closing operations specific to the implementation.
     *
     * @throws CIFSException if an error occurs during internal closing
     */
    protected abstract void doCloseInternal() throws CIFSException;

    /**
     * {@inheritDoc}
     *

 *
 *  * **Open:** the web socket has been accepted by the remote peer and is fully operational.
 *    Messages in either direction are enqueued for immediate transmission.
 *
 *  * **Closing:** one of the peers on the web socket has initiated a graceful shutdown. The web
 *    socket will continue to transmit already-enqueued messages but will refuse to enqueue new
 *    ones.
 *

		return
	}

	m.wg.Add(1)
	defer m.wg.Done()

	if atomic.LoadInt32(&m.closing) == 1 {
		return
	}

	select {
	case m.opCh <- op:
	default:
	}
}

// Do not accept new MRF operations anymore and start to save
// the current heal status in one available disk
func (m *mrfState) shutdown() {
	atomic.StoreInt32(&m.closing, 1)
	m.wg.Wait()
	close(m.opCh)
	atomic.StoreInt32(&m.closed, 1)

        assertThrows(CIFSException.class, () -> smbFileHandle.close(lastWriteTime),
                "close(long) should throw CIFSException when closing fails.");
        verify(smbFileHandle, times(1)).close(lastWriteTime);
    }

    /**
     * Test close() successfully.
     *
     * @throws CIFSException
     */
    @Test

 * CharSource CharSource}, {@link ByteSink ByteSink} and {@link CharSink CharSink}. They are
 * factories for I/O streams that provide many convenience methods that handle both opening and
 * closing streams for you.
 *
 * <p>This package is a part of the open-source <a href="https://github.com/google/guava">Guava</a>
 * library. For more information on Sources and Sinks as well as other features of this package, see

  occurs. Thank you for your contributions.
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     */
    @Override
    protected boolean isDone() {
        return false;
    }

    /**
     * Performs internal closing operations for SMB2 enumeration.
     *
     * @throws CIFSException if an error occurs during closing
     */
    @Override
    protected void doCloseInternal() throws CIFSException {
        try {
            @SuppressWarnings("resource")

     * Channel is actively transferring data
     */
    ACTIVE(5),

    /**
     * Channel connection has failed
     */
    FAILED(6),

    /**
     * Channel is being closed
     */
    CLOSING(7);

    private final int value;

    ChannelState(int value) {
        this.value = value;
    }

    /**
     * Get the numeric value of this state
     *
     * @return state value
     */