public SubSearchContext subSearchContext() {
            throw new UnsupportedOperationException();
        }

        @Override
        public void addReleasable(Aggregator aggregator) {
            releaseMe.add(aggregator);
        }

        @Override
        public MultiBucketConsumer multiBucketConsumer() {
            return multiBucketConsumer;
        }

        @Override

    Set<String> presentAsSet = Optional.of("a").asSet();
    assertThrows(UnsupportedOperationException.class, () -> presentAsSet.add("b"));
  }

  public void testAsSet_absentIsImmutable() {
    Set<Object> absentAsSet = Optional.absent().asSet();
    assertThrows(UnsupportedOperationException.class, () -> absentAsSet.add("foo"));
  }

  public void testTransform_absent() {

            final BigInteger firstBigInt = BigInteger.valueOf(first);
            BigInteger completeBigInt = lastBigInt.add(firstBigInt.shiftLeft(32));
            completeBigInt = completeBigInt.divide(BigInteger.valueOf(10000L));
            completeBigInt = completeBigInt.add(BigInteger.valueOf(-SmbConstants.MILLISECONDS_BETWEEN_1970_AND_1601));
            date = new Date(completeBigInt.longValue());
        }

    queueSize += data.size.toLong()
    messageAndCloseQueue.add(Message(formatOpcode, data))
    runWriter()
    return true
  }

  @Synchronized fun pong(payload: ByteString): Boolean {
    // Don't send pongs after we've failed or sent the close frame.
    if (failed || enqueuedClose && messageAndCloseQueue.isEmpty()) return false

    pongQueue.add(payload)
    runWriter()
    return true
  }

            if (key.equalsIgnoreCase(entry.getKey())) {
                values = entry.getValue();
                values.add(value);
                break;
            }
        }
        if (values == null) {
            values = new ArrayList<>();
            values.add(value);
            this.requestProperties.put(key, values);
        }
        // 1.3-compatible.

            override fun afterSuite(suite: TestDescriptor, result: TestResult) {
                if (suite.parent == null) {
                    forEachJavaProcess { pid, _ ->
                        if (daemonPids.add(pid)) {
                            suspiciousDaemons.getOrPut(suite.toString(), { ConcurrentHashMap.newKeySet() }) += pid
                        }
                    }
                }
            }
        }

            public void run() {
              try {
                f.get();
              } catch (Throwable expected) {
              }
            }
          };
      thread.start();
      blockedThreads.add(thread);
    }
    for (int i = 0; i < numListeners; i++) {
      f.addListener(Runnables.doNothing(), directExecutor());
    }
    for (Thread thread : blockedThreads) {
      AbstractFutureBenchmarks.awaitWaiting(thread);

  /** Adds the most recently logged record to our list. */
  @Override
  public void publish(@Nullable LogRecord record) {
    synchronized (lock) {
      if (record != null) {
        list.add(record);
      }
    }
  }

  @Override
  public void flush() {}

  @Override
  public void close() {}

  public void clear() {
    synchronized (lock) {
      list.clear();
    }
  }

            for (final CommonPrefix commonPrefix : response.commonPrefixes()) {
                final String dirName = getName(commonPrefix.prefix());
                if (StringUtil.isNotBlank(dirName)) {
                    items.add(new StorageItem(dirName, prefix, true, 0, null, encodeId(commonPrefix.prefix())));
                }
            }

            // Process objects (files)
            for (final S3Object s3Object : response.contents()) {

        InputStream is = new ByteArrayInputStream(input.getBytes(StandardCharsets.UTF_8));

        List<String> callbackResults = new ArrayList<>();
        Consumer<String> callback = line -> callbackResults.add(line);

        InputStreamThread thread = new InputStreamThread(is, StandardCharsets.UTF_8, 10, callback);
        thread.start();
        thread.join(1000);

        assertEquals(2, callbackResults.size());