final class ConsumingQueueIterator<T extends @Nullable Object> extends AbstractIterator<T> {
  private final Queue<T> queue;

  ConsumingQueueIterator(Queue<T> queue) {
    this.queue = checkNotNull(queue);
  }

  @Override
  @CheckForNull
  protected T computeNext() {
    // TODO(b/192579700): Use a ternary once it no longer confuses our nullness checker.
    if (queue.isEmpty()) {
      return endOfData();
    }

    // Make sure that finalize deletes the file
    out = null;

    // times out and throws RuntimeException on failure
    GcFinalization.awaitDone(
        new GcFinalization.FinalizationPredicate() {
          @Override
          public boolean isDone() {
            return !file.exists();
          }
        });
  }

        super(parent, delegate, filter);
    }


    /**
     * @param fe
     * @return
     * @throws MalformedURLException
     */
    @Override
    protected SmbResource adapt ( FileEntry e ) throws MalformedURLException {
        return new SmbFile(getParent(), e.getName(), false, e.getType(), SmbConstants.ATTR_READONLY | SmbConstants.ATTR_DIRECTORY, 0L, 0L, 0L, 0L);
    }

    public String getRole() {
        return role;
    }

    public String getRoleHint() {
        return roleHint;
    }

    /**
     * Creates a shallow copy of this requirement.
     */
    @Override
    public Requirement clone() {
        try {
            return (Requirement) super.clone();
        } catch (CloneNotSupportedException e) {
            throw new UnsupportedOperationException(e);
        }
    }

    public void register() {
        if (logger.isInfoEnabled()) {
            logger.info("Load {}", this.getClass().getSimpleName());
        }
        dictionaryManager.addCreator(this);
    }

    @Override
    protected DictionaryFile<? extends DictionaryItem> newDictionaryFile(final String id, final String path, final Date timestamp) {
        return new KuromojiFile(id, path, timestamp).manager(dictionaryManager);
    }

    public void register() {
        if (logger.isInfoEnabled()) {
            logger.info("Load {}", this.getClass().getSimpleName());
        }
        dictionaryManager.addCreator(this);
    }

    @Override
    protected DictionaryFile<? extends DictionaryItem> newDictionaryFile(final String id, final String path, final Date timestamp) {
        return new CharMappingFile(id, path, timestamp).manager(dictionaryManager);
    }

    public void register() {
        if (logger.isInfoEnabled()) {
            logger.info("Load {}", this.getClass().getSimpleName());
        }
        dictionaryManager.addCreator(this);
    }

    @Override
    protected DictionaryFile<? extends DictionaryItem> newDictionaryFile(final String id, final String path, final Date timestamp) {
        return new StemmerOverrideFile(id, path, timestamp).manager(dictionaryManager);
    }

      for (inputHeader in headers) {
        val (key, value) = inputHeader.entries.iterator().next()
        result.add(Header(key, value))
      }
      return result
    }

  public override fun clone() = Case(seqno, this.wire, headers)

import junit.framework.TestCase;

/** Unit tests for {@link LongAdder}. */
public class LongAdderTest extends TestCase {

  /**
   * No-op null-pointer test for {@link LongAdder} to override the {@link PackageSanityTests}
   * version, which checks package-private methods that we don't want to have to annotate as {@code
   * Nullable} because we don't want diffs from jsr166e.
   */
  public void testNulls() {}

  public void testNonSubscriber() {
    assertThat(getSubscriber().nonSubscriberEvents).isEmpty();
  }

  public void testSubscriber() {
    assertThat(getSubscriber().subscriberEvents).contains(EVENT);
  }

  @Override
  Subscriber createSubscriber() {
    return new Subscriber();
  }