mergeModel(model, range3, 3, Integer::sum);
          RangeMap<Integer, Integer> test = TreeRangeMap.create();
          test.merge(range1, 1, Integer::sum);
          test.merge(range2, 2, Integer::sum);
          test.merge(range3, 3, Integer::sum);
          verify(model, test);
        }
      }
    }
  }


  public void testSubRangeMapExhaustive() {

    private SettingsUtilsV4() {
        // don't allow construction.
    }

    /**
     * @param dominant
     * @param recessive
     */
    public static Settings merge(Settings dominant, Settings recessive) {
        return new SettingsMerger().merge(dominant, recessive, true, Collections.emptyMap());
    }

    /**
     * @param modelProfile
     * @return a profile
     */

        repositoryEventDispatcher.dispatch(event.build());
    }

    private void merge(
            Artifact artifact, Map<String, VersionInfo> infos, Versioning versioning, ArtifactRepository repository) {
        if (versioning.getRelease() != null && !versioning.getRelease().isEmpty()) {
            merge(RELEASE, infos, versioning.getLastUpdated(), versioning.getRelease(), repository);
        }

 */
@Deprecated
public interface ArtifactMetadata extends org.apache.maven.repository.legacy.metadata.ArtifactMetadata {
    void merge(ArtifactMetadata metadata);

        buffer.append(checksumPolicy);
        buffer.append(", updates=");
        buffer.append(updatePolicy);
        buffer.append('}');
        return buffer.toString();
    }

    public void merge(ArtifactRepositoryPolicy policy) {
        if (policy != null && policy.isEnabled()) {
            setEnabled(true);

        Source userSource = request.getUserSettingsSource().orElse(null);
        Settings user = readSettings(userSource, false, request, problems);

        Settings effective =
                settingsMerger.merge(user, settingsMerger.merge(project, global, false, null), false, null);

        // If no repository is defined in the user/global settings,
        // it means that we have "old" settings (as those are new in 4.0)

                while (execs.putIfAbsent(id, e.withId(id)) != null) {
                    id = e.getId() + "-" + (++i);
                }
            });
            Plugin merged = cur.withExecutions(execs.values());
            plugins.put(merged, merged);
        }
    }

    private static String getExecutionId(Plugin plugin, String goal) {
        Set<String> existingIds = plugin != null

        Source userSource = request.getUserToolchainsSource().orElse(null);
        PersistedToolchains user = readToolchains(userSource, request, problems);

        PersistedToolchains effective = toolchainsMerger.merge(user, global, false, null);

        if (hasErrors(problems)) {
            throw new ToolchainsBuilderException("Error building toolchains", problems);
        }

    }

    public void merge(ArtifactMetadata metadata) {
        ProjectArtifactMetadata m = (ProjectArtifactMetadata) metadata;
        if (!m.file.equals(file)) {
            throw new IllegalStateException("Cannot add two different pieces of metadata for: " + getKey());
        }
    }

    public void merge(org.apache.maven.repository.legacy.metadata.ArtifactMetadata metadata) {

                return plugin.withExecutions(map(
                        plugin.getExecutions(),
                        execution -> execution.withConfiguration(
                                XmlNode.merge(execution.getConfiguration(), pluginConfiguration))));
            } else {
                return plugin;
            }
        });
    }

    private List<ReportPlugin> expandReport(List<ReportPlugin> oldPlugins) {