private final Object source;
  private final Object event;

  /**
   * Creates a new DeadEvent.
   *
   * @param source object broadcasting the DeadEvent (generally the {@link EventBus}).
   * @param event the event that could not be delivered.
   */
  public DeadEvent(Object source, Object event) {
    this.source = checkNotNull(source);
    this.event = checkNotNull(event);
  }

  /**

 * limitations under the License.
 */

package com.google.common.eventbus.outside;

import com.google.common.eventbus.EventBus;
import com.google.common.eventbus.Subscribe;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;
import junit.framework.TestCase;

/**
 * Test cases for {@code EventBus} that must not be in the same package.
 *
 * @author Louis Wasserman
 */

  }

  public void testOverriddenNotAnnotatedInSubclass() {
    assertThat(getSubscriber().overriddenNotAnnotatedInSubclassEvents).contains(EVENT);
  }

  public void testDifferentlyOverriddenNotAnnotatedInSubclass() {
    assertThat(getSubscriber().differentlyOverriddenNotAnnotatedInSubclassGoodEvents)
        .contains(EVENT);

  }

  public void testAnnotatedIn1() {
    assertThat(getSubscriber().annotatedIn1Events).contains(EVENT);
  }

  public void testAnnotatedIn2() {
    assertThat(getSubscriber().annotatedIn2Events).contains(EVENT);
  }

  public void testAnnotatedIn1And2() {
    assertThat(getSubscriber().annotatedIn1And2Events).contains(EVENT);
  }

  public void testAnnotatedIn1And2AndClass() {

 * limitations under the License.
 */

package com.google.common.eventbus.outside;

import com.google.common.eventbus.EventBus;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Abstract base class for tests that EventBus finds the correct subscribers.
 *

 * parameter, the object containing the method will not be able to register for event delivery from
 * the {@link EventBus}.
 *
 * <p>Unless also annotated with @{@link AllowConcurrentEvents}, event subscriber methods will be
 * invoked serially by each event bus that they are registered with.
 *
 * @author Cliff Biffle
 * @since 10.0
 */
@Retention(RetentionPolicy.RUNTIME)

 * limitations under the License.
 */

package com.google.common.eventbus.outside;

import com.google.common.eventbus.EventBus;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Abstract base class for tests that EventBus finds the correct subscribers.
 *

 * parameter, the object containing the method will not be able to register for event delivery from
 * the {@link EventBus}.
 *
 * <p>Unless also annotated with @{@link AllowConcurrentEvents}, event subscriber methods will be
 * invoked serially by each event bus that they are registered with.
 *
 * @author Cliff Biffle
 * @since 10.0
 */
@Retention(RetentionPolicy.RUNTIME)

import javax.inject.Named;
import javax.inject.Singleton;

import java.util.Collection;

import org.apache.maven.api.Event;
import org.apache.maven.api.Listener;
import org.apache.maven.eventspy.EventSpy;
import org.apache.maven.execution.ExecutionEvent;

@Named
@Singleton
public class EventSpyImpl implements EventSpy {

    private DefaultSessionFactory sessionFactory;

    @Inject

/**
 * Registry of subscribers to a single event bus.
 *
 * @author Colin Decker
 */
@ElementTypesAreNonnullByDefault
final class SubscriberRegistry {

  /**
   * All registered subscribers, indexed by event type.
   *
   * <p>The {@link CopyOnWriteArraySet} values make it easy and relatively lightweight to get an
   * immutable snapshot of all current subscribers to an event without any locking.
   */