assertEquals(1, runCalled.get());
    list.execute();
    assertEquals(1, runCalled.get());
  }

  public void testExecute_idempotentConcurrently() throws InterruptedException {
    final CountDownLatch okayToRun = new CountDownLatch(1);
    final AtomicInteger runCalled = new AtomicInteger();
    list.add(
        new Runnable() {
          @Override
          public void run() {
            try {
              okayToRun.await();

@ElementTypesAreNonnullByDefault
final class RegularImmutableSet<E> extends ImmutableSet.CachingAsList<E> {
  private static final Object[] EMPTY_ARRAY = new Object[0];
  static final RegularImmutableSet<Object> EMPTY =
      new RegularImmutableSet<>(EMPTY_ARRAY, 0, EMPTY_ARRAY, 0);

  private final transient Object[] elements;
  private final transient int hashCode;

     * @return ストリームへ出力する{@link Writer}
     */
    public static Writer create(final OutputStream os, final String encoding) {
        assertArgumentNotNull("os", os);
        assertArgumentNotEmpty("encoding", encoding);

        try {
            return new OutputStreamWriter(os, encoding);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**

     */
    public static SAXParser newSAXParser(final SAXParserFactory factory) {
        assertArgumentNotNull("factory", factory);

        try {
            return factory.newSAXParser();
        } catch (final ParserConfigurationException e) {
            throw new ParserConfigurationRuntimeException(e);
        } catch (final SAXException e) {
            throw new SAXRuntimeException(e);
        }
    }

    // session service packet types 
    static final int SESSION_MESSAGE = 0x00; 
    static final int SESSION_REQUEST = 0x81; 
    public static final int POSITIVE_SESSION_RESPONSE = 0x82; 
    public static final int NEGATIVE_SESSION_RESPONSE = 0x83; 
    static final int SESSION_RETARGET_RESPONSE = 0x84; 
    static final int SESSION_KEEP_ALIVE = 0x85; 

    static final int MAX_MESSAGE_SIZE = 0x0001FFFF;

   *
   * @since 10.0
   */
  public final Predicate<@Nullable T> equivalentTo(@CheckForNull T target) {
    return new EquivalentToPredicate<>(this, target);
  }

  private static final class EquivalentToPredicate<T>
      implements Predicate<@Nullable T>, Serializable {

    private final Equivalence<T> equivalence;
    @CheckForNull private final T target;

 */
public class FessSecurityResourceProvider implements SecurityResourceProvider {

    protected final InvertibleCryptographer primaryInvertibleCryptographer;
    protected final OneWayCryptographer primaryOneWayCryptographer;

    public FessSecurityResourceProvider(final InvertibleCryptographer primaryInvertibleCryptographer,
            final OneWayCryptographer primaryOneWayCryptographer) {

 *
 */
public class SmbAuthenticationHolder {
    private final Map<String, SmbAuthentication> authMap = new HashMap<>();

    public void add(final SmbAuthentication auth) {
        authMap.put(auth.getPathPrefix(), auth);
    }

    public SmbAuthentication get(final String path) {
        if (path == null) {
            return null;
        }

        for (final Map.Entry<String, SmbAuthentication> entry : authMap.entrySet()) {

    private static final Logger logger = Logger.getLogger(ZipInputStreamUtil.class);

    /**
     * {@link ZipInputStream#getNextEntry()}の例外処理をラップするメソッドです。
     *
     * @param zis
     *            {@link ZipInputStream}。{@literal null}であってはいけません
     * @return {@link ZipEntry}
     * @see ZipInputStream#getNextEntry()
     */
    public static ZipEntry getNextEntry(final ZipInputStream zis) {

 */
@Deprecated(since = "4.0.0")
public class DefaultType implements Type, ArtifactType {
    private final String id;
    private final Language language;
    private final String extension;
    private final String classifier;
    private final boolean includesDependencies;
    private final Set<PathType> pathTypes;
    private final Map<String, String> properties;

    public DefaultType(
            String id,