}

    @Test
    public void test_offer_and_drainAll() {
        LogNotificationHelper helper = new LogNotificationHelper();
        helper.offer(new LogNotificationEvent(1000L, "ERROR", "com.example.Foo", "message1", "throwable1"));
        helper.offer(new LogNotificationEvent(2000L, "WARN", "com.example.Bar", "message2", null));

        List<LogNotificationEvent> events = helper.drainAll();
        assertEquals(2, events.size());

      for (int i = 0; i < reps; i++) {
        int f = 0;
        Throwable t = new Throwable();
        for (StackTraceElement ste : getStackTrace(t)) {
          dummy |= ste == duh;
          if (f++ == breakAt) {
            break;
          }
        }
      }
      return dummy;
    }

    abstract List<StackTraceElement> getStackTrace(Throwable t);
  }

  @BeforeExperiment
  public void doBefore() {

      for (int i = 0; i < reps; i++) {
        int f = 0;
        Throwable t = new Throwable();
        for (StackTraceElement ste : getStackTrace(t)) {
          dummy |= ste == duh;
          if (f++ == breakAt) {
            break;
          }
        }
      }
      return dummy;
    }

    abstract List<StackTraceElement> getStackTrace(Throwable t);
  }

  @BeforeExperiment
  public void doBefore() {

        // nothing
    }

    /**
     * A list of Throwables representing failures that occurred during the operation.
     */
    protected List<Throwable> failures = Collections.synchronizedList(new ArrayList<>());

    /**
     * Adds a Throwable to the list of failures.
     *
     * @param t the Throwable to add
     */
    public void addFailure(final Throwable t) {
        failures.add(t);
    }

    /**

public class SuggestDeleteResponse {
    /** List of errors that occurred during the operation. */
    protected final List<Throwable> errors = new ArrayList<>();
    /** Time taken for the operation in milliseconds. */
    protected final long took;

    /**
     * Constructor for SuggestDeleteResponse.
     * @param errors A list of Throwables representing errors.
     * @param took The time taken for the operation in milliseconds.
     */

      } catch (InterruptedException e) {
        // ignore
      }
    }
  }

  /**
   * Cleans up the given reference and any other references already in the queue. Catches and logs
   * all throwables.
   *
   * @return true if the caller should continue to wait for more references to be added to the
   *     queue, false if the associated FinalizableReferenceQueue is no longer referenced.
   */

  }

  /** Causes teardown to execute. */
  public final void runTearDown() {
    Throwable exception = null;
    List<TearDown> stackCopy;
    synchronized (lock) {
      stackCopy = new ArrayList<>(stack);
      stack.clear();
    }
    for (TearDown tearDown : stackCopy) {
      try {
        tearDown.tearDown();
      } catch (Throwable t) {
        if (suppressThrows) {

  }

  /** Causes teardown to execute. */
  public final void runTearDown() {
    Throwable exception = null;
    List<TearDown> stackCopy;
    synchronized (lock) {
      stackCopy = new ArrayList<>(stack);
      stack.clear();
    }
    for (TearDown tearDown : stackCopy) {
      try {
        tearDown.tearDown();
      } catch (Throwable t) {
        if (suppressThrows) {

    /** List of errors. */
    protected final List<Throwable> errors = new ArrayList<>();
    /** Time taken for the operation in milliseconds. */
    protected final long took;

    /**
     * Constructor for SuggestIndexResponse.
     * @param numberOfSuggestDocs The number of suggest documents.
     * @param numberOfInputDocs The number of input documents.
     * @param errors A list of Throwables representing errors.

      } catch (InterruptedException e) {
        // ignore
      }
    }
  }

  /**
   * Cleans up the given reference and any other references already in the queue. Catches and logs
   * all throwables.
   *
   * @return true if the caller should continue to wait for more references to be added to the
   *     queue, false if the associated FinalizableReferenceQueue is no longer referenced.
   */