List<String> tgt = target.getModules();
            Set<String> excludes = new LinkedHashSet<>(tgt);
            List<String> merged = new ArrayList<>(tgt.size() + src.size());
            merged.addAll(tgt);
            for (int i = 0, n = tgt.size(); i < n; i++) {
                indices.add(i);
            }
            for (int i = 0, n = src.size(); i < n; i++) {
                String s = src.get(i);

        Collection<String> versions = new LinkedHashSet<>();

        if ((repoMetadata != null) && (repoMetadata.getVersioning() != null)) {
            versions.addAll(repoMetadata.getVersioning().getVersions());
        }

        versions.addAll(availableVersions);

        List<ArtifactVersion> artifactVersions = new ArrayList<>(versions.size());

        for (String version : versions) {

            org.apache.maven.artifact.Artifact artifact = toArtifact(node.getDependency());

            List<String> nodeTrail = new ArrayList<>(trail.size() + 1);
            nodeTrail.addAll(trail);
            nodeTrail.add(artifact.getId());

            if (filter == null || filter.accept(node, Collections.emptyList())) {
                artifact.setDependencyTrail(nodeTrail);

                 * loaded into a dedicated realm which is invisible to plugins (MNG-2749).
                 */
                publicArtifacts.addAll(artifacts);
            }
        }

        if (logger.isDebugEnabled()) {
            logger.debug("Extension realms for project " + model.getId() + ": " + extensionRealms);
        }

            return new SetWithResolutionResult(null, new LinkedHashSet<>());
        }

        scopesToCollect = new HashSet<>(scopesToCollect);
        scopesToCollect.addAll(scopesToResolve);

        DependencyFilter collectionFilter = new ScopeDependencyFilter(null, negate(scopesToCollect));
        DependencyFilter resolutionFilter = new ScopeDependencyFilter(null, negate(scopesToResolve));

            for (RemoteRepository repository : request.getRepositories()) {
                if (repository.isRepositoryManager()) {
                    repoMan = true;
                    repositories.addAll(repository.getMirroredRepositories());
                } else {
                    repositories.add(repository);
                }
            }
            context = repoMan ? request.getRequestContext() : "";

                        calculateLifecycleMappings(session, project, lifecyclePhase);

                for (List<MojoExecution> mojoExecutionsFromLifecycle : phaseToMojoMapping.values()) {
                    mojoExecutions.addAll(mojoExecutionsFromLifecycle);
                }
            } else {
                throw new IllegalStateException("unexpected task " + task);
            }
        }
        return mojoExecutions;
    }

            for (ArtifactRepository aliasedRepo : aliasedRepos) {
                releasePolicies.add(aliasedRepo.getReleases());
                mirroredRepos.addAll(aliasedRepo.getMirroredRepositories());
            }

            ArtifactRepositoryPolicy releasePolicy = getEffectivePolicy(releasePolicies);

        HashSet<String> activeProfileId =
                new HashSet<>(request.getProfileActivation().getRequiredActiveProfileIds());
        activeProfileId.addAll(request.getProfileActivation().getOptionalActiveProfileIds());

        return request.getProfiles().stream()
                .filter(profile -> activeProfileId.contains(profile.getId()))

            Set<MavenProject> selectedProjects = new HashSet<>(requiredSelectors.size() + optionalSelectors.size());
            selectedProjects.addAll(
                    projectSelector.getRequiredProjectsBySelectors(request, allSortedProjects, requiredSelectors));
            selectedProjects.addAll(
                    projectSelector.getOptionalProjectsBySelectors(request, allSortedProjects, optionalSelectors));