// }

        this.memoryRegister = new Object(); // Placeholder

        log.debug("DiSNI memory region registered, size: {}", buffer.remaining());
    }

    @Override
    public void invalidate() {
        if (valid && memoryRegister != null) {
            try {
                // In real implementation, this would deregister the memory:
                // memoryRegister.deregisterMemory();

      Key key2 = new Key(2);
      String value2 = key2.toString();
      assertThat(cache.getUnchecked(key1)).isSameInstanceAs(value1);
      assertThat(cache.getUnchecked(key2)).isSameInstanceAs(value2);
      cache.invalidate(key1);
      assertThat(cache.asMap().containsKey(key1)).isFalse();
      assertThat(cache.asMap().containsKey(key2)).isTrue();
      assertThat(cache.size()).isEqualTo(1);

            try {
                final StatsObject data = statsCache.getIfPresent(key);
                if (data != null && data.decrement() <= 0) {
                    statsCache.invalidate(key);
                    final Long begin = data.remove(BEGIN_KEY);
                    if (begin != null) {
                        printStats(keyObj, data, begin, true);
                    }
                }

     */
    public static int SMB2_CHANNEL_NONE = 0x0;
    /**
     * Channel type for RDMA version 1
     */
    public static int SMB2_CHANNEL_RDMA_V1 = 0x1;
    /**
     * Channel type for RDMA version 1 with invalidate
     */
    public static int SMB2_CHANNEL_RDMA_V1_INVALIDATE = 0x2;

    private byte[] fileId;
    private final byte[] outputBuffer;
    private final int outputBufferOffset;
    private byte padding;

                final Node attrNode = node.getAttributes().getNamedItem(attr);
                if (attrNode != null) {
                    final String attrValue = attrNode.getNodeValue();
                    if (isValidPath(attrValue)) {
                        addChildUrlFromTagAttribute(urlList, uri, attrValue, encoding);
                    }
                }
            }
        } catch (final XPathException e) {

		{bucketNames[0], objectNames[0], uploadIDs[0], []CompletePart{{ETag: "abcz"}}, "", InvalidPart{}, false},
		// Part number 0 doesn't exist, expecting InvalidPart error (Test number 12).
		{bucketNames[0], objectNames[0], uploadIDs[0], []CompletePart{{ETag: "abcd", PartNumber: 0}}, "", InvalidPart{}, false},

        when(cfg.isTraceResourceUsage()).thenReturn(false);
        stubValidTree(1L, true, true);
        SmbFileHandleImpl h = new SmbFileHandleImpl(cfg, new byte[] { 0x01, 0x02 }, tree, "//x", 0, 0, 0, 0, 0L);
        // invalidate
        h.markClosed();

        SmbException ex1 = assertThrows(SmbException.class, h::getFid);
        assertEquals("Descriptor is no longer valid", ex1.getMessage());

      public void run() {
        cache.refresh(refreshKey);
        getFinishedSignal.countDown();
      }
    }.start();

    computationStarted.await();
    cache.invalidate(getKey);
    cache.invalidate(refreshKey);
    assertThat(map.containsKey(getKey)).isFalse();
    assertThat(map.containsKey(refreshKey)).isFalse();

    // let computation complete
    letGetFinishSignal.countDown();

}

func (client *storageRESTClient) GetDiskID() (string, error) {
	if !client.IsOnlineWS() {
		// make sure to check if the disk is offline, since the underlying
		// value is cached we should attempt to invalidate it if such calls
		// were attempted. This can lead to false success under certain conditions
		// - this change attempts to avoid stale information if the underlying
		// transport is already down.

   *
   * @since 12.0
   */
  void putAll(Map<? extends K, ? extends V> m);

  /** Discards any cached value for key {@code key}. */
  void invalidate(@CompatibleWith("K") Object key);

  /**
   * Discards any cached values for keys {@code keys}.
   *
   * @since 11.0
   */
  // For discussion of <? extends Object>, see getAllPresent.