}

  public void testNullWriter() throws Exception {
    // create a null writer
    Writer nullWriter = CharStreams.nullWriter();
    // write to the writer
    nullWriter.write('n');
    String test = "Test string for NullWriter";
    nullWriter.write(test);
    nullWriter.write(test, 2, 10);
    nullWriter.append(null);
    nullWriter.append(null, 0, 4);

   * undocumented and subject to change.
   *
   * <p>This method is not type-safe, as it may be called on elements that are not mutually
   * comparable.
   *
   * @throws ClassCastException if the elements are not mutually comparable
   * @throws NullPointerException if any of {@code elements} is null
   */
  public static <E> ImmutableSortedMultiset<E> copyOf(Iterable<? extends E> elements) {

    }
    return false;  // Fall back to oplock logic
}

public boolean canCacheWrite() {
    if (leaseKey != null) {
        LeaseEntry entry = leaseManager.getLease(leaseKey);
        return entry != null && entry.hasWriteCache();
    }
    return false;
}

public boolean canCacheHandle() {
    if (leaseKey != null) {

        shareInfo1.netname = null;
        shareInfo1.type = 0;
        shareInfo1.remark = null;

        shareInfo1.encode(mockNdrBuffer);

        // Verify the encode operations
        verify(mockNdrBuffer).align(4);
        verify(mockNdrBuffer, times(2)).enc_ndr_referent(null, 1); // Called twice for netname and remark
        verify(mockNdrBuffer).enc_ndr_long(0);

        if (logger.isDebugEnabled()) {
            logger.debug("Accessing {}", url);
        }

        // start
        AccessTimeoutTarget accessTimeoutTarget = null;
        TimeoutTask accessTimeoutTask = null;
        if (accessTimeout != null) {
            accessTimeoutTarget = new AccessTimeoutTarget(Thread.currentThread());

     */
    public CompletableFuture<HandleInfo> reconnectHandle(HandleInfo handleInfo, Exception cause) {
        if (handleInfo == null) {
            return CompletableFuture.failedFuture(new IOException("Handle info cannot be null"));
        }

        if (handleInfo.isExpired()) {

        assertNotNull(trans2QueryPathInfo);

        // Configuration is accessed during initialization
        // Verify at least that getPid() and getTransactionBufferSize() were called
    }

   *
   * @param reference any array of the desired type
   * @param length the length of the new array
   */
  /*
   * The new array contains nulls, even if the old array did not. If we wanted to be accurate, we
   * would declare a return type of `@Nullable T[]`. However, we've decided not to think too hard

    byte maxSetupCount;
    int timeout = 0;
    int setupCount = 1;
    byte subCommand;
    String name = "";
    int maxBufferSize; // set in SmbTransport.sendTransaction() before nextElement called

    byte[] txn_buf;

    SmbComTransaction() {
        maxParameterCount = 1024;
        primarySetupOffset = PRIMARY_SETUP_OFFSET;
        secondaryParameterOffset = SECONDARY_PARAMETER_OFFSET;
    }

    @Test
    @DisplayName("Test sign method with null request and response")
    void testSignWithNullMessages() {
        // Arrange
        int offset = 0;
        int length = testData.length;

        // Act
        signingDigest.sign(testData, offset, length, null, null);

        // Assert
        verify(signingDigest, times(1)).sign(testData, offset, length, null, null);
    }

    @Test