return null;
            },
            directExecutor()));
    thingToCancel[0] = serializer.submit(Callables.returning(null), directExecutor());
    results.add(thingToCancel[0]);
    // Enqueue more than enough tasks to force reentrancy.
    for (int i = 0; i < 5; i++) {
      results.add(serializer.submit(Callables.returning(null), directExecutor()));
    }

    manualExecutorTask[0].run();

		// Decrement ref count since we failed to get the lock
		n.lockMapMutex.Lock()
		n.lockMap[resource].ref--
		if n.lockMap[resource].ref < 0 {
			logger.CriticalIf(GlobalContext, errors.New("resource reference count was lower than 0"))
		}
		if n.lockMap[resource].ref == 0 {
			// Remove from the map if there are no more references.
			delete(n.lockMap, resource)
		}
		n.lockMapMutex.Unlock()
	}

	return locked
}

   * there's no way to assign a {@code @Nullable T} to a field {@code T foo;} and instruct the
   * analysis that that means "plain {@code T}" rather than the inferred type {@code @Nullable T}.
   * (And even if annotations on local variables were permitted as an optional hint, no annotation
   * would be the right tool for the job here: {@code @Nullable} is the annotation that we're trying

    return delegate().size();
  }

  @Override
  public Collection<V> values() {
    return delegate().values();
  }

  @Override
  // A forwarding implementation can't do any better than the underlying object.
  @SuppressWarnings("UndefinedEquals")
  public boolean equals(@Nullable Object object) {
    return object == this || delegate().equals(object);
  }

  @Override
  public int hashCode() {

   * there's no way to assign a {@code @Nullable T} to a field {@code T foo;} and instruct the
   * analysis that that means "plain {@code T}" rather than the inferred type {@code @Nullable T}.
   * (And even if annotations on local variables were permitted as an optional hint, no annotation
   * would be the right tool for the job here: {@code @Nullable} is the annotation that we're trying

    return delegate().size();
  }

  @Override
  public Collection<V> values() {
    return delegate().values();
  }

  @Override
  // A forwarding implementation can't do any better than the underlying object.
  @SuppressWarnings("UndefinedEquals")
  public boolean equals(@Nullable Object object) {
    return object == this || delegate().equals(object);
  }

  @Override
  public int hashCode() {

        assertTrue(second.isEmpty());
    }

    @Test
    public void test_offer_bufferCapacity() {
        LogNotificationHelper helper = new LogNotificationHelper();
        // Default buffer size is 1000; offer more than that
        for (int i = 0; i < 1100; i++) {
            helper.offer(new LogNotificationEvent(i, "ERROR", "org.test", "msg" + i, null));
        }
        List<LogNotificationEvent> events = helper.drainAll();

    Builder() {}

    static int expandedCapacity(int oldCapacity, int minCapacity) {
      if (minCapacity < 0) {
        throw new AssertionError("cannot store more than MAX_VALUE elements");
      }
      // careful of overflow!
      int newCapacity = oldCapacity + (oldCapacity >> 1) + 1;
      if (newCapacity < minCapacity) {

        // Context handle (20 bytes)
        if (contextHandle != null) {
            buf.writeOctetArray(contextHandle, 0, Math.min(contextHandle.length, 20));
            // Pad with zeros if context handle is shorter than 20 bytes
            for (int i = contextHandle.length; i < 20; i++) {
                buf.enc_ndr_small(0);
            }
        } else {
            // Write 20 zero bytes for null context handle

class NdrShortTest {

    /**
     * A small reusable buffer for encode/decode tests.
     */
    private byte[] raw;
    private NdrBuffer buf;

    @BeforeEach
    void setUp() {
        // 10 bytes is more than enough for the 2-byte short
        raw = new byte[10];
        buf = new NdrBuffer(raw, 0);
    }

    /**
     * Validate that the constructor masks the supplied value to its