}
        buf.readOctetArray(contextHandle, 0, 20);
    }

    /**
     * Checks if the context handle has been invalidated (all zeros).
     * A successful unregistration typically results in a zeroed context handle.
     *
     * @return true if the context handle has been invalidated
     */
    public boolean isContextHandleInvalidated() {
        if (contextHandle == null) {
            return true;

 *
 */
@Deprecated
public interface MetadataResolutionRequest extends RepositoryRequest {

    /**
     * Indicates whether network access to remote repositories has been disabled.
     *
     * @return {@code true} if remote access has been disabled, {@code false} otherwise.
     */
    @Override
    boolean isOffline();

    /**
     * Enables/disables network access to remote repositories.
     *

   * set (including {@linkplain #setFuture set asynchronously}). When a call to this method returns,
   * the {@code Future} is guaranteed to be {@linkplain #isDone done} <b>only if</b> the call was
   * accepted (in which case it returns {@code true}). If it returns {@code false}, the {@code
   * Future} may have previously been set asynchronously, in which case its result may not be known

     *
     * @return whether the task is permanent
     */
    public boolean isPermanent() {
        return permanent;
    }

    /**
     * Returns whether the task has been canceled.
     *
     * @return whether the task has been canceled
     */
    public boolean isCanceled() {
        return status == CANCELED;
    }

    /**
     * Cancels the task.
     */
    public void cancel() {

## Ports {#ports}

### Darwin {#darwin}

<!-- go.dev/issue/75836 -->
As [announced](go1.26#darwin) in the Go 1.26 release notes,
Go 1.27 requires macOS 13 Ventura or later;

            return StringUtil.EMPTY;
        }
        return input;
    }

    /**
     * Checks if this item has been updated.
     * @return true if updated, false otherwise
     */
    public boolean isUpdated() {
        return newInput != null;
    }

    /**
     * Checks if this item has been deleted.
     * @return true if deleted, false otherwise
     */
    public boolean isDeleted() {

    }

    @Override
    public synchronized int read(final byte[] b) throws IOException {
        return read(b, 0, b.length);
    }

    /* This method will not return until len bytes have been read
     * or the stream has been closed.
     */

    @Override
    public synchronized int read(final byte[] b, int off, int len) throws IOException {
        if (len == 0) {
            return 0;
        }
        int tot = 0;

    int NT_STATUS_INVALID_COMPUTER_NAME = 0xC0000122;
    /** The pipe operation has failed because the other end of the pipe has been closed */
    int NT_STATUS_PIPE_BROKEN = 0xC000014b;
    /** The specified local group does not exist */
    int NT_STATUS_NO_SUCH_ALIAS = 0xC0000151;
    /** The user has not been granted the requested logon type at this computer */
    int NT_STATUS_LOGON_TYPE_NOT_GRANTED = 0xC000015b;

   * Returns the value the specified class is mapped to, or {@code null} if no entry for this class
   * is present. This will only return a value that was bound to this specific class, not a value
   * that may have been bound to a subtype.
   *
   * <p>{@code getInstance(Foo.class)} is equivalent to {@code
   * getInstance(TypeToken.of(Foo.class))}.
   */
  <T extends @NonNull B> @Nullable T getInstance(Class<T> type);

  /**

The unicode package and associated support throughout the system has been upgraded from Unicode 15 to Unicode 17.
See the [Unicode 16.0.0](https://www.unicode.org/versions/Unicode16.0.0/) and
[Unicode 17.0.0](https://www.unicode.org/versions/Unicode17.0.0/)