assertEquals(0, multimap().keys().count(null));
  }

  @CollectionSize.Require(SEVERAL)
  @MapFeature.Require(ALLOWS_NULL_KEYS)
  public void testKeysWithNullKey() {
    resetContainer(mapEntry((K) null, v0()), mapEntry((K) null, v1()), mapEntry(k1(), v0()));
    Multiset<K> keys = multimap().keys();
    assertEquals(2, keys.count(null));
    assertEquals(1, keys.count(k1()));
    assertEquals(3, keys.size());

  DescendingImmutableSortedMultiset(ImmutableSortedMultiset<E> forward) {
    this.forward = forward;
  }

  @Override
  public int count(@Nullable Object element) {
    return forward.count(element);
  }

  @Override
  public @Nullable Entry<E> firstEntry() {
    return forward.lastEntry();
  }

  @Override
  public @Nullable Entry<E> lastEntry() {

        testBuffer[7] = 0x00; // Access mask byte 3

        // Add minimal SID data (S-1-1-0 - Everyone)
        testBuffer[8] = 0x01; // Revision
        testBuffer[9] = 0x01; // Sub-authority count
        testBuffer[10] = 0x00; // Identifier authority
        testBuffer[11] = 0x00;
        testBuffer[12] = 0x00;
        testBuffer[13] = 0x00;
        testBuffer[14] = 0x00;
        testBuffer[15] = 0x01;

	logger := NewSlogLogger(slog.New(handler), Config{LogLevel: Info})

	logger.Trace(context.Background(), time.Now(), func() (string, int64) {
		return "select count(*) from users", 0
	}, nil)

	if strings.Contains(buf.String(), "gorm/logger/slog.go") {
		t.Error("Found internal slog.go reference in caller frame. Expected only test file references.")
	}

    assertEquals(0, multimap().keys().count(null));
  }

  @CollectionSize.Require(SEVERAL)
  @MapFeature.Require(ALLOWS_NULL_KEYS)
  public void testKeysWithNullKey() {
    resetContainer(mapEntry((K) null, v0()), mapEntry((K) null, v1()), mapEntry(k1(), v0()));
    Multiset<K> keys = multimap().keys();
    assertEquals(2, keys.count(null));
    assertEquals(1, keys.count(k1()));
    assertEquals(3, keys.size());

     * @throws IllegalArgumentException if {@code count} is negative
     */
    @CanIgnoreReturnValue
    @Override
    public Builder<E> setCount(E element, int count) {
      checkNotNull(element);
      CollectPreconditions.checkNonnegative(count, "count");
      maintenance();
      elements[length] = element;
      counts[length] = ~count;
      length++;
      return this;
    }

    /**

   * self-loops incident to {@code node}).
   *
   * <p>If the count is greater than {@code Integer.MAX_VALUE}, returns {@code Integer.MAX_VALUE}.
   *
   * @throws IllegalArgumentException if {@code node} is not an element of this network
   */
  @Override
  int degree(N node);

  /**
   * Returns the count of {@code node}'s {@link #inEdges(Object) incoming edges} in a directed

    public void onRemoval(RemovalNotification<K, V> notification) {
      count.incrementAndGet();
      lastNotification = notification;
    }

    public int getCount() {
      return count.get();
    }

    public K getLastEvictedKey() {
      return lastNotification.getKey();
    }

    public V getLastEvictedValue() {
      return lastNotification.getValue();
    }

 * <p>
 * This builder uses a number of threads equal to the minimum of the degree of concurrency (which is the thread count
 * set with <code>-T</code> on the command-line) and the number of projects to build. As such, building a single project
 * will always result in a sequential build, regardless of the thread count.
 * </p>
 * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
 *

                setValue(e, key, value, now);
                newCount = this.count; // count remains unchanged
              } else {
                setValue(e, key, value, now);
                newCount = this.count + 1;
              }
              this.count = newCount; // write-volatile
              evictEntries(e);
              return null;