if (allProjects != null) {
                Map<String, Map<String, Map<String, MavenProject>>> map = new HashMap<>();
                allProjects.forEach(project -> map.computeIfAbsent(project.getGroupId(), k -> new HashMap<>())
                        .computeIfAbsent(project.getArtifactId(), k -> new HashMap<>())
                        .put(project.getVersion(), project));
                this.allProjects = map;
            } else {

    @Override
    public Model injectProfiles(
            Model model, List<Profile> profiles, ModelBuildingRequest request, ModelProblemCollector problems) {
        Model result = CACHE.computeIfAbsent(model, k -> new ConcurrentHashMap<>())
                .computeIfAbsent(profiles, l -> doInjectProfiles(model, profiles));
        return result == KEY ? model : result;
    }

    private Model doInjectProfiles(Model model, List<Profile> profiles) {

    }

    private
    fun addExecutedTaskPath(taskPath: String) {
        projectPathToExecutedTaskPaths.computeIfAbsent(taskPathToProjectPath(taskPath)) { mutableListOf() }.add(taskPath)
    }

    private
    fun addFailedTaskPath(taskPath: String) {
        projectPathToFailedTaskPaths.computeIfAbsent(taskPathToProjectPath(taskPath)) { mutableListOf() }.add(taskPath)
    }

    private

        vFrom.setCompareScope(scopedVertices);

        List<MetadataGraphEdge> exList = excidentEdges.computeIfAbsent(vFrom, k -> new ArrayList<>());

        if (!exList.contains(e)) {
            exList.add(e);
        }

        List<MetadataGraphEdge> inList = incidentEdges.computeIfAbsent(vTo, k -> new ArrayList<>());

        if (!inList.contains(e)) {
            inList.add(e);
        }

        ConcurrentMap<String, ConcurrentMap<String, Object>> pluginContextsByKey =
                pluginContextsByProjectAndPluginKey.computeIfAbsent(projectKey, k -> new ConcurrentHashMap<>());

        String pluginKey = plugin.getPluginLookupKey();

        return pluginContextsByKey.computeIfAbsent(pluginKey, k -> new ConcurrentHashMap<>());
    }

    public ProjectDependencyGraph getProjectDependencyGraph() {

            }

            if (cls.isArray()) {
                evaluateArray(target);
            } else if (isQualifiedForInterpolation(cls)) {
                Field[] fields = FIELDS_BY_CLASS.computeIfAbsent(cls, k -> cls.getDeclaredFields());

                for (Field field : fields) {
                    Class<?> type = field.getType();
                    if (isQualifiedForInterpolation(field, type)) {

        if (StringUtil.isBlank(value)) {
            return Collections.emptyList();
        }
        return split(value, ",").get(stream -> stream.map(String::trim)//
                .map(s -> clientRuleCache.computeIfAbsent(s, t -> {
                    final String[] values = t.split(":", 2);
                    if (values.length != 2) {
                        return null;
                    }

        String referenceKey = "";

        if (summary.getReference() != null && !summary.getReference().isEmpty()) {
            referenceKey =
                    references.computeIfAbsent(summary.getReference(), k -> "[Help " + (references.size() + 1) + "]");
        }

        String msg = summary.getMessage();

        if (!referenceKey.isEmpty()) {
            if (msg.indexOf('\n') < 0) {

        for (ArtifactRepository repository : repositories) {
            String key = repository.getId();

            List<ArtifactRepository> aliasedRepos = reposByKey.computeIfAbsent(key, k -> new ArrayList<>());

            aliasedRepos.add(repository);
        }

        List<ArtifactRepository> effectiveRepositories = new ArrayList<>();

        final Set<MavenProject> projectsIncludingParents = new HashSet<>();
        for (MavenProject project : session.getProjects()) {
            superPomModels.computeIfAbsent(
                    project.getModelVersion(),
                    v -> superPomProvider.getSuperModel(v).getDelegate());
            boolean isAdded = projectsIncludingParents.add(project);