import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * {@code ObjectCountHashMap} uses arrays to store key objects and count values. Comparing to using
 * a traditional {@code HashMap} implementation which stores keys and count values as map entries,
 * {@code ObjectCountHashMap} minimizes object allocation and reduces memory footprint.
 *

            throw new IllegalArgumentException("Array must be a multiple of 8 bytes for DES encryption");
        }

        final byte[] cipherText = new byte[length];
        final int count = length / 8;

        for (int i = 0; i < count; i++) {
            encrypt(clearText, i * 8, cipherText, i * 8);
        }

        return cipherText;
    }

    /**

  @Override
  protected void tearDown() throws Exception {

    // Make sure we have no waiting threads.
    latch.countDown();
  }

  /** Constructs a listenable future with a value available after the latch has counted down. */
  protected abstract <V> ListenableFuture<V> createListenableFuture(
      V value, @Nullable Exception except, CountDownLatch waitOn);

            @Override
            public Void answer(InvocationOnMock invocation) throws Throwable {
                SmbComWriteAndXResponse response = invocation.getArgument(1);
                response.count = 1;
                return null;
            }
        }).when(smbFile).send(any(SmbComWriteAndX.class), any(SmbComWriteAndXResponse.class));

        smbRandomAccessFile.write(42);

    @Override
    int writeParameterWordsWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        dst[dstIndex] = (byte) 0x00;
        dstIndex++;
        // name length without counting null termination
        namelen_index = dstIndex;
        dstIndex += 2;
        writeInt4(flags0, dst, dstIndex);
        dstIndex += 4;
        writeInt4(rootDirectoryFid, dst, dstIndex);
        dstIndex += 4;

        }
        esCb.request().build(builder);
        SearchResponse response = esCb.build(builder).execute().actionGet(scrollSearchTimeout);
        String scrollId = response.getScrollId();
        int count = 0;
        try {
            while (scrollId != null) {
                final SearchHits searchHits = getSearchHits(response);
                final SearchHit[] hits = searchHits.getHits();

        // Then
        assertTrue(bytesWritten > 0);

        // Verify structure size
        assertEquals(36, SMBUtil.readInt2(buffer, 0));

        // Verify dialect count
        assertEquals(3, SMBUtil.readInt2(buffer, 2)); // SMB210, SMB300, SMB302

        // Verify security mode
        assertEquals(Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED, SMBUtil.readInt2(buffer, 4));

    assertThrows(NullPointerException.class, () -> ImmutableSortedMultiset.copyOf(iterator));
  }

  private static class CountingIterable implements Iterable<String> {
    int count = 0;

    @Override
    public Iterator<String> iterator() {
      count++;
      return asList("a", "b", "a").iterator();
    }
  }

  public void testCopyOf_plainIterable() {
    CountingIterable iterable = new CountingIterable();

        assertEquals(SmbComTransaction.TRANS2_QUERY_FS_INFORMATION, cmd.subCommand, "subCommand should be QUERY_FS_INFORMATION");
        // the fields are set in the constructor – check that the counts match
        assertEquals(2, cmd.totalParameterCount, "totalParameterCount should be 2");
        assertEquals(0, cmd.totalDataCount, "totalDataCount should be 0");

        // Fail 5 times, succeed on 6th attempt
        when(mockFuture.actionGet(anyLong(), any(TimeUnit.class))).thenAnswer(invocation -> {
            int count = attemptCount.incrementAndGet();
            if (count <= 5) {
                throw new RuntimeException("Simulated failure #" + count);
            }
            return "Success";
        });

        final String result = fesenClient.get(c -> mockFuture);