public NavigableSet<E> subSet(
      @ParametricNullness E fromElement,
      boolean fromInclusive,
      @ParametricNullness E toElement,
      boolean toInclusive) {
    return delegate().subSet(fromElement, fromInclusive, toElement, toInclusive);
  }

  /**
   * A sensible definition of {@link #subSet(Object, boolean, Object, boolean)} in terms of the

    implements ListenableFuture<V> {
  final boolean casListeners(@Nullable Listener expect, Listener update) {
    if (listeners == expect) {
      listeners = update;
      return true;
    }
    return false;
  }

  final @Nullable Listener gasListeners(Listener update) {
    Listener old = listeners;
    listeners = update;
    return old;
  }

    private Field field;

    private final BeanDesc beanDesc;

    private Constructor<?> stringConstructor;

    private Method valueOfMethod;

    private boolean readable = false;

    private boolean writable = false;

    private ParameterizedClassDesc parameterizedClassDesc;

    /**
     * Creates an instance of {@link PropertyDescImpl}.
     *
     * @param propertyName

            SmbResource notAFile = mock(SmbResource.class);

            // Act
            boolean result = (boolean) invokePrivate(wrapper, "accept", new Class<?>[] { SmbResource.class }, notAFile);

            // Assert
            assertFalse(result);
            verify(delegate, never()).accept(any());
        }

     */
    protected abstract boolean doDisconnect(boolean hard, boolean inUse) throws IOException;

    /**
     * Connect the transport
     *
     * @param timeout the maximum time to wait for the connection in milliseconds
     * @return whether the transport was connected
     * @throws TransportException if the connection fails
     */

    // Use the imgur image upload API as documented at https://api.imgur.com/endpoints/image
    final ProgressListener progressListener = new ProgressListener() {
      boolean firstUpdate = true;

      @Override public void update(long bytesWritten, long contentLength, boolean done) {
        if (done) {
          System.out.println("completed");
        } else {
          if (firstUpdate) {
            firstUpdate = false;

  val npnProtocols: List<String>,
  val platform: String?,
  val requiresSha2: Boolean,
  val signatureAlgorithms: List<Int>,
  val suiteIds: List<Int>,
  val suiteNames: List<String>,
  val supportsCompression: Boolean,
  val supportsNpn: Boolean,
  val supportsRi: Boolean,
  val supportsSni: Boolean,
  val supportsStapling: Boolean,
  val supportsTickets: Boolean,
  val userAgent: String?,
  val version: String,

   */
  fun hasNext(failedConnection: RealConnection? = null): Boolean

  /**
   * Returns true if the host and port are unchanged from when this was created. This is used to
   * detect if followups need to do a full connection-finding process including DNS resolution, and
   * certificate pin checks.
   */
  fun sameHostAndPort(url: HttpUrl): Boolean

  /**

    private int allRecordCount;

    /** Total number of pages. */
    private int allPageCount;

    /** Flag indicating if there is a previous page. */
    private boolean existPrePage;

    /** Flag indicating if there is a next page. */
    private boolean existNextPage;

    /** List of page numbers for pagination navigation. */
    private List<Integer> pageNumberList;

    /** Number of records to display per page. */

     * @return true if enumeration is done, false otherwise
     */
    protected abstract boolean isDone();

    /**
     * Fetches more entries from the server.
     *
     * @return true if more entries were fetched, false otherwise
     * @throws CIFSException if an error occurs during fetching
     */
    protected abstract boolean fetchMore() throws CIFSException;

    /**
     * Gets the current batch of results.