.put(2, "deux")
            .put(70, "soixante-dix")
            .put(70, "septante")
            .put(70, "seventy")
            .put(1, "one")
            .put(2, "two");
    ImmutableMap<Integer, String> map = builder.buildKeepingLast();
    assertMapEquals(map, 1, "one", 2, "two", 70, "seventy");
  }

  public void testBuildKeepingLast_smallTableSameHash() {
    String key1 = "QED";
    String key2 = "R&D";

            .put(2, "deux")
            .put(70, "soixante-dix")
            .put(70, "septante")
            .put(70, "seventy")
            .put(1, "one")
            .put(2, "two");
    ImmutableMap<Integer, String> map = builder.buildKeepingLast();
    assertMapEquals(map, 1, "one", 2, "two", 70, "seventy");
  }

  public void testBuildKeepingLast_smallTableSameHash() {
    String key1 = "QED";
    String key2 = "R&D";

import org.apache.maven.api.annotations.Nonnull;

/**
 * Event sent by maven during various phases of the build process.
 * Such events can be listened to using {@link Listener}s objects
 * registered in the {@link Session}.
 *
 * @since 4.0.0
 */
@Experimental
public interface Event {

    /**
     * Gets the type of the event.
     *
     * @return the type of the event, never {@code null}
     */
    @Nonnull

 * events fired during collection.
 *
 * @since 3.9.0
 */
class ReverseTreeRepositoryListener extends AbstractRepositoryListener {
    @Override
    public void artifactResolved(RepositoryEvent event) {
        requireNonNull(event, "event cannot be null");

        if (!isLocalRepositoryArtifactOrMissing(event.getSession(), event.getArtifact())) {
            return;
        }

    }

    @Override
    public void projectSkipped(ExecutionEvent event) {
        dispatcher.onEvent(event);
        delegate.projectSkipped(event);
    }

    @Override
    public void projectStarted(ExecutionEvent event) {
        dispatcher.onEvent(event);
        delegate.projectStarted(event);
    }

    @Override
    public void projectSucceeded(ExecutionEvent event) {
        dispatcher.onEvent(event);

        ForkedProjectStarted,
        ForkedProjectSucceeded,
        ForkedProjectFailed,
    }

    /**
     * Gets the type of the event.
     *
     * @return The type of the event, never {@code null}.
     */
    Type getType();

    /**
     * Gets the session from which this event originates.
     *
     * @return The current session, never {@code null}.
     */
    MavenSession getSession();

    /**

public class StringCatcher {
  private List<String> events = Lists.newArrayList();

  @Subscribe
  public void hereHaveAString(@Nullable String string) {
    events.add(string);
  }

  public void methodWithoutAnnotation(@Nullable String string) {
    Assert.fail("Event bus must not call methods without @Subscribe!");
  }

  public List<String> getEvents() {
    return events;
  }

    /**
     * We are interested in project success events, in which case we call
     * the {@link #installIntoProjectLocalRepository(MavenProject)} method.
     * The mojo started event is also captured to determine the lifecycle
     * phases the project has been through.
     *
     * @param event the execution event
     */
    private void processEvent(ExecutionEvent event) {
        MavenProject project = event.getProject();

    public void artifactInstalling(RepositoryEvent event) {
        logger.info("Installing {} to {}", event.getArtifact().getFile(), event.getFile());
    }

    @Override
    public void metadataInstalling(RepositoryEvent event) {
        logger.debug("Installing {} to {}", event.getMetadata(), event.getFile());
    }

    @Override
    public void metadataResolved(RepositoryEvent event) {
        Exception e = event.getException();

    }

    public void beforeMojoExecution(MojoExecutionEvent event) throws MojoExecutionException {
        for (MojoExecutionListener listener : listeners) {
            listener.beforeMojoExecution(event);
        }
    }

    public void afterMojoExecutionSuccess(MojoExecutionEvent event) throws MojoExecutionException {
        for (MojoExecutionListener listener : listeners) {