* close *estimate* of the actual number of bits set. It's not possible to do better than an
     * estimate without locking. Note that the number, if not exactly accurate, is *always*
     * underestimating, never overestimating.
     */
    long bitCount() {
      return bitCount.sum();
    }

    LockFreeBitArray copy() {

	var wg sync.WaitGroup
	wg.Add(1)
	var listErr error

	go func(o listPathOptions) {
		defer wg.Done()
		if o.Lifecycle == nil {
			// No filtering ahead, ask drives to stop
			// listing exactly at a specific limit.
			o.StopDiskAtLimit = true
		}
		listErr = z.listMerged(listCtx, o, filterCh)
		o.debugln("listMerged returned with", listErr)
	}(*o)

	entries, err = filteredResults()
	cancelList()

          }

          @Override
          @SuppressWarnings("ThreadPriorityCheck") // doing our best to test for races
          public Boolean get() {
            // Check that this method is called exactly once, by the first
            // thread to synchronize.
            long t0 = System.nanoTime();
            while (waitingThreads() != numThreads - 1) {
              if (System.nanoTime() - t0 > timeout) {

   * Guava to fix them until Guava is ready to <i>require</i> Java 8 for all users.
   */
  ConcurrentMap<K, V> asMap();

  /**
   * Performs any pending maintenance operations needed by the cache. Exactly which activities are
   * performed -- if any -- is implementation-dependent.
   */
  void cleanUp();

    }

    /**
     * Test with data that has exact boundary conditions
     */
    @Test
    @DisplayName("Handle exact boundary data size")
    void testExactBoundarySize() throws CIFSException {
        // Test with data that ends exactly at the position where EOL should be checked
        byte[] data = new byte[0];

            .createTestSuite());

    suite.addTest(
        SetTestSuiteBuilder.using(new ImmutableSetSizedBuilderGenerator())
            .named(ImmutableSetTest.class.getName() + ", with exactly sized builder")
            .withFeatures(
                CollectionSize.ANY,
                CollectionFeature.KNOWN_ORDER,
                CollectionFeature.SERIALIZABLE,

            .createTestSuite());

    suite.addTest(
        SetTestSuiteBuilder.using(new ImmutableSetSizedBuilderGenerator())
            .named(ImmutableSetTest.class.getName() + ", with exactly sized builder")
            .withFeatures(
                CollectionSize.ANY,
                CollectionFeature.KNOWN_ORDER,
                CollectionFeature.SERIALIZABLE,

			if err != nil {
				return err
			}
		}

		// If the context does not contain the bucket key
		// we must add it for key generation. However,
		// the context must be stored exactly like the
		// client provided it. Therefore, we create a copy
		// of the client provided context and add the bucket
		// key, if not present.
		kmsCtx := kms.Context{}
		maps.Copy(kmsCtx, cryptoCtx)

		{data2[:1196], 1, io.EOF}, // Exact end of data and start of padding
		{data2[:1200], 1, io.EOF},
		{data2[:1535], 1, io.EOF},
		{data2[:1536], 1, io.EOF}, // Exact end of padding
		{data2[:1536] + trash[:1], 1, io.ErrUnexpectedEOF},
		{data2[:1536] + trash[:511], 1, io.ErrUnexpectedEOF},
		{data2[:1536] + trash, 1, ErrHeader},
		{data2[:2048], 1, io.EOF}, // Exactly 1 empty block

            buffer[i] = (byte) (i + 1);
        }

        // Decode
        int bytesDecoded = smbInfoAllocation.decode(buffer, 0, buffer.length);

        // Verify we read exactly 20 bytes (4 + 4 + 4 + 4 + 4)
        // Note: bytesPerSect is read as Int2 but 4 bytes are consumed (padding)
        assertEquals(20, bytesDecoded);
    }

    @Test