return updateScope;
    }

    private void fireEvent(int event, List<ResolutionListener> listeners, ResolutionNode node) {
        fireEvent(event, listeners, node, null);
    }

    private void fireEvent(int event, List<ResolutionListener> listeners, ResolutionNode node, Artifact replacement) {
        fireEvent(event, listeners, node, replacement, null);
    }

    private void fireEvent(
            int event,

    public List<ResolutionListener> getListeners() {
        return listeners;
    }

    public ArtifactResolutionRequest setListeners(List<ResolutionListener> listeners) {
        this.listeners = listeners;

        return this;
    }

    public ArtifactResolutionRequest addListener(ResolutionListener listener) {
        listeners.add(listener);

        return this;
    }

                    InternalMavenSession.from(ee.getSession().getSession());
            Collection<Listener> listeners = session.getListeners();
            if (!listeners.isEmpty()) {
                Event event = new DefaultEvent(session, ee);
                for (Listener listener : listeners) {
                    listener.onEvent(event);
                }
            }
        }
    }

    @Override

        IdentityHashMap<WeakMojoExecutionListener, Object> listeners = new IdentityHashMap<>();
        for (Object provided : getScopeState().provided()) {
            if (provided instanceof WeakMojoExecutionListener) {
                listeners.put((WeakMojoExecutionListener) provided, null);
            }
        }
        return listeners.keySet();
    }

    }

    void enqueueStoppedEvent() {
      listeners.enqueue(STOPPED_EVENT);
    }

    void enqueueHealthyEvent() {
      listeners.enqueue(HEALTHY_EVENT);
    }

    void enqueueFailedEvent(final Service service) {
      listeners.enqueue(
          new ListenerCallQueue.Event<Listener>() {
            @Override
            public void call(Listener listener) {
              listener.failure(service);

    }

    void enqueueStoppedEvent() {
      listeners.enqueue(STOPPED_EVENT);
    }

    void enqueueHealthyEvent() {
      listeners.enqueue(HEALTHY_EVENT);
    }

    void enqueueFailedEvent(final Service service) {
      listeners.enqueue(
          new ListenerCallQueue.Event<Listener>() {
            @Override
            public void call(Listener listener) {
              listener.failure(service);

                // won't happen
            }
        }

        if (listeners == null) {
            listeners = new ArrayList<>();

            if (logger.isDebugEnabled()) {
                listeners.add(new DebugResolutionListener(logger));
            }

            listeners.add(new WarningResolutionListener(logger));
        }

            Map<String, Artifact> managedVersions,
            ArtifactResolutionRequest repositoryRequest,
            ArtifactMetadataSource source,
            ArtifactFilter filter,
            List<ResolutionListener> listeners,
            List<ConflictResolver> conflictResolvers);

    ArtifactResolutionResult collect(
            Set<Artifact> artifacts,
            Artifact originatingArtifact,

    RecordingListener listener = new RecordingListener();
    manager.addListener(listener, directExecutor());
    manager.startAsync().awaitHealthy();
    assertTrue(manager.isHealthy());
    assertTrue(listener.healthyCalled);
    assertFalse(listener.stoppedCalled);
    assertTrue(listener.failedServices.isEmpty());
    manager.stopAsync().awaitStopped();

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.model.building;

/**
 * Provides a skeleton implementation for model building listeners. The methods of this class are empty.
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")