TransferEvent transferInitiatedEvent = event(session, resource, TransferEvent.EventType.INITIATED);
        TransferEvent transferStartedEvent = event(session, resource, TransferEvent.EventType.STARTED);
        TransferEvent transferProgressedEvent = event(session, resource, TransferEvent.EventType.PROGRESSED);
        TransferEvent transferSucceededEvent = event(session, resource, TransferEvent.EventType.SUCCEEDED);

    // We post the event, but our Executor will not deliver it until instructed.
    bus.post(EVENT);

    List<String> events = catcher.getEvents();
    assertTrue("No events should be delivered synchronously.", events.isEmpty());

    // Now we find the task in our Executor and explicitly activate it.
    List<Runnable> tasks = executor.getTasks();
    assertEquals("One event dispatch task should be queued.", 1, tasks.size());

     *
     * @return The version number, or null if not versioned
     */
    Long getVersionNo();

    /**
     * Converts this search log event to a source map for indexing or logging.
     *
     * @return Map representation of the event data
     */
    Map<String, Object> toSource();

    /**
     * Gets the type of this search log event.
     *

    public void projectDiscoveryStarted(ExecutionEvent event) {
        // default does nothing
    }

    @Override
    public void sessionStarted(ExecutionEvent event) {
        // default does nothing
    }

    @Override
    public void sessionEnded(ExecutionEvent event) {
        // default does nothing
    }

    @Override
    public void projectSkipped(ExecutionEvent event) {
        // default does nothing
    }

    try {
      while (true) {
        val event = takeEvent()
        if (eventClass.isInstance(event)) {
          return eventClass.cast(event)
        }
      }
    } catch (e: NoSuchElementException) {
      throw AssertionError("full event sequence: $fullEventSequence", e)
    }
  }

  /**
   * Remove and return the next event from the recorded sequence.
   *

        ongoing.remove(new TransferResourceIdentifier(event.getResource()));
        put(event, ongoing.isEmpty());
    }

    private static class Exchange {
        private final TransferEvent event;

        private Exchange(TransferEvent event) {
            this.event = event;
        }

        public void process(Consumer<TransferEvent> consumer) {
            consumer.accept(event);
        }

    }

    @Override
    public void beforeMojoExecution(MojoExecutionEvent event) throws MojoExecutionException {
        for (WeakMojoExecutionListener provided : getProvidedListeners()) {
            provided.beforeMojoExecution(event);
        }
    }

    @Override
    public void afterMojoExecutionSuccess(MojoExecutionEvent event) throws MojoExecutionException {

     *
     * @param event the log event to potentially rewrite
     * @return the original event or a new event with WARN level if conversion applied
     */
    @Override
    public LogEvent rewrite(final LogEvent event) {
        final String loggerName = event.getLoggerName();
        if (loggerName == null) {
            return event;
        }
        for (final String name : loggerNames) {

    }

    @Override
    public void transferInitiated(TransferEvent event) {
        overridePreviousTransfer(event);

        super.transferInitiated(event);
    }

    @Override
    public void transferCorrupted(TransferEvent event) throws TransferCancelledException {
        overridePreviousTransfer(event);

        super.transferCorrupted(event);
    }

    @Override

public class SubscriberExceptionContext {
  private final EventBus eventBus;
  private final Object event;
  private final Object subscriber;
  private final Method subscriberMethod;

  /**
   * @param eventBus The {@link EventBus} that handled the event and the subscriber. Useful for
   *     broadcasting a new event based on the error.
   * @param event The event object that caused the subscriber to throw.
   * @param subscriber The source subscriber context.