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;
    }

    }

    /**
     * Add a listener for circuit breaker events
     *
     * @param listener the listener to add
     */
    public void addListener(CircuitBreakerListener listener) {
        if (listener != null) {
            listeners.add(listener);
        }
    }

    /**
     * Remove a listener
     *
     * @param listener the listener to remove
     */

                // won't happen
            }
        }

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

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

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

                WitnessNotificationListener listener = listeners.get(entry.getKey());
                if (listener != null) {
                    try {
                        listener.onWitnessNotification(notification);
                    } catch (Exception e) {
                        log.error("Error in witness notification listener", e);
                    }
                }
            }

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

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

                WitnessNotificationListener listener = listeners.get(entry.getKey());
                if (listener != null) {
                    try {
                        listener.onWitnessNotification(notification);
                    } catch (Exception e) {
                        log.error("Error in witness notification listener", e);
                    }
                }
            }

            ArtifactRepository localRepository,
            List<ArtifactRepository> remoteRepositories,
            ArtifactMetadataSource source,
            ArtifactFilter filter,
            List<ResolutionListener> listeners)
            throws ArtifactResolutionException;

            ArtifactRepository localRepository,
            List<ArtifactRepository> remoteRepositories,
            ArtifactMetadataSource source,
            ArtifactFilter filter,
            List<ResolutionListener> listeners)
            throws ArtifactResolutionException, ArtifactNotFoundException;

    @Deprecated
    ArtifactResolutionResult resolveTransitively(
            Set<Artifact> artifacts,

	// and Storage/OS calls info to registered listeners.
	globalTrace = pubsub.New[madmin.TraceInfo, madmin.TraceType](8)

	// global Listen system to send S3 API events to registered listeners
	globalHTTPListen = pubsub.New[event.Event, pubsub.Mask](0)

	// global console system to send console logs to
	// registered listeners
	globalConsoleSys *HTTPConsoleLoggerSys