* one of three states:
   *   - Active: shutdown == false
   *   - Shutdown: runningTasks > 0 and shutdown == true
   *   - Terminated: runningTasks == 0 and shutdown == true
   */
  @GuardedBy("lock")
  private int runningTasks = 0;

  @GuardedBy("lock")
  private boolean shutdown = false;

  @Override
  public void execute(Runnable command) {
    startTask();
    try {
      command.run();
    } finally {

final class ImmutableMapValues<K, V> extends ImmutableCollection<V> {
  private final ImmutableMap<K, V> map;

  ImmutableMapValues(ImmutableMap<K, V> map) {
    this.map = map;
  }

  @Override
  public int size() {
    return map.size();
  }

  @Override
  public UnmodifiableIterator<V> iterator() {
    return new UnmodifiableIterator<V>() {

public class MultiReaderTest extends TestCase {

  public void testOnlyOneOpen() throws Exception {
    String testString = "abcdefgh";
    final CharSource source = newCharSource(testString);
    final int[] counter = new int[1];
    CharSource reader =
        new CharSource() {
          @Override
          public Reader openStream() throws IOException {
            if (counter[0]++ != 0) {

	disk      StorageAPI
	volume    string
	filePath  string
	shardSize int64 // This is the shard size of the erasure logic
	hash.Hash       // For bitrot hash
}

func (b *wholeBitrotWriter) Write(p []byte) (int, error) {
	err := b.disk.AppendFile(context.TODO(), b.volume, b.filePath, p)
	if err != nil {
		return 0, err
	}
	_, err = b.Hash.Write(p)
	if err != nil {
		return 0, err
	}
	return len(p), nil
}

    def format(Node node, Appendable target, int depth, boolean prettyPrint, boolean indentSelf) {
        if (node instanceof Element) {
            Element element = (Element) node

            if (indentSelf && depth > 0) {
                target.append('\n')
                depth.times { target.append('    ') }
            }

            target.append("<${element.tagName}")
            for (int i = 0; i < element.attributes.length; i++) {

        final TimeUnit timeUnit = TimeUnit.valueOf(getInitParameter(TIME_TO_LIVE_TIME_UNIT_PROPERTY, "MINUTES", String.class));
        final int maxTotal = getInitParameter(MAX_TOTAL_CONNECTION_PROPERTY, 200, Integer.class);
        final int defaultMaxPerRoute = getInitParameter(DEFAULT_MAX_CONNECTION_PER_ROUTE_PROPERTY, 20, Integer.class);

        final PoolingHttpClientConnectionManager connectionManager =

                }
                httpRequest = new HttpGet(buf.toString());
            }

            executor.accept(httpRequest, (response, entity) -> {
                final int httpStatusCode = response.getStatusLine().getStatusCode();
                if (httpStatusCode < 400 || httpStatusCode == 401) {
                    parseTokenPage(tokenPattern, responseParams, entity);
                } else {

        new ByteProcessor<byte[]>() {
          private final ByteArrayOutputStream out = new ByteArrayOutputStream();

          @Override
          public boolean processBytes(byte[] buffer, int offset, int length) throws IOException {
            if (length >= 0) {
              out.write(buffer, offset, length);
            }
            return true;
          }

          @Override

// Header Test テスト

   *
   * @throws IllegalArgumentException if {@code isConnected(connectedRange)} is {@code false}
   */
  public Range<C> intersection(Range<C> connectedRange) {
    int lowerCmp = lowerBound.compareTo(connectedRange.lowerBound);
    int upperCmp = upperBound.compareTo(connectedRange.upperBound);
    if (lowerCmp >= 0 && upperCmp <= 0) {
      return this;
    } else if (lowerCmp <= 0 && upperCmp >= 0) {