func (r *Reader) UnreadRune() error {
	if r.i <= 0 {
		return errors.New("bytes.Reader.UnreadRune: at beginning of slice")
	}
	if r.prevRune < 0 {
		return errors.New("bytes.Reader.UnreadRune: previous operation was not ReadRune")
	}
	r.i = int64(r.prevRune)
	r.prevRune = -1
	return nil
}

// Seek implements the [io.Seeker] interface.
func (r *Reader) Seek(offset int64, whence int) (int64, error) {

     */
    private boolean initializedData = false;

    /**
     * Initializes the access result with response data and result data.
     *
     * @param responseData The response data from the crawl operation.
     * @param resultData The result data from content processing.
     */
    @Override
    public void init(final ResponseData responseData, final ResultData resultData) {

      this.completed = new Completion(countdownInMillis);
      scheduleEnableWrites(this.queue, countdownInMillis);
    }

    /** Perform a {@code put} and assert that operation completed in the expected timeframe. */
    void putSuccessfully() {
      putUninterruptibly(queue, "");
      completed.assertCompletionExpected();
      assertEquals("", queue.peek());
    }

programs enables a greater number of people to use a large body of
free software.  For example, permission to use the GNU C Library in
non-free programs enables many more people to use the whole GNU
operating system, as well as its variant, the GNU/Linux operating
system.

  Although the Lesser General Public License is Less protective of the
users' freedom, it does ensure that the user of a program that is

        assertThrows(NullPointerException.class, () -> new NetServerEnumIterator(parent, null, "*", 0, null));
    }

    @Test
    @DisplayName("Remove operation should throw UnsupportedOperationException")
    void testRemove_ThrowsUnsupportedOperationException() throws Exception {
        // Given: A valid iterator setup that will complete immediately

        // but the cleanup code with synchronized block ensures it happens atomically)
        // The important part is that no exception occurs and the operation is atomic
    }

    /**
     * Test concurrent acquire and release operations.
     */
    @Test
    public void testConcurrentAcquireRelease() throws Exception {
        // Given

     * <p>
     * The pathnames used for matching will be relative to the specified base directory
     * and use {@code '/'} as separator, regardless of the hosting operating system.
     *
     * @param baseDirectory the base directory for relativizing paths during matching
     * @param includes the patterns of files to include, or null/empty for including all files

   *
   * <p>If the mapped keys contain duplicates (according to {@link Object#equals(Object)}, an {@code
   * IllegalArgumentException} is thrown when the collection operation is performed. (This differs
   * from the {@code Collector} returned by {@link Collectors#toMap(Function, Function)}, which
   * throws an {@code IllegalStateException}.)
   *

  TF_Graph();

  mutable tensorflow::mutex mu;
  tensorflow::Graph graph TF_GUARDED_BY(mu);

  // Runs shape inference.
  tensorflow::ShapeRefiner refiner TF_GUARDED_BY(mu);

  // Maps from name of an operation to the Node* in 'graph'.
  std::unordered_map<tensorflow::string, tensorflow::Node*> name_map
      TF_GUARDED_BY(mu);

  // The keys of this map are all the active sessions using this graph. Each

}

// AbortMultipartUpload - aborts an ongoing multipart operation
// signified by the input uploadID. This is an atomic operation
// doesn't require clients to initiate multiple such requests.
//
// All parts are purged from all disks and reference to the uploadID
// would be removed from the system, rollback is not possible on this
// operation.