ScopeArtifactFilter filter;
        if (Artifact.SCOPE_PROVIDED.equals(expectedScope)) {
            filter = new ScopeArtifactFilter(Artifact.SCOPE_COMPILE);
        } else if (Artifact.SCOPE_SYSTEM.equals(expectedScope)) {
            filter = new ScopeArtifactFilter(Artifact.SCOPE_COMPILE);
        } else {
            filter = new ScopeArtifactFilter(expectedScope);
        }

                        Set<Binding<Object>> res3 = res2 != null ? new HashSet<>(res2) : new HashSet<>();
                        Map<String, Supplier<Object>> map = res3.stream()
                                .filter(b -> b.getOriginalKey() == null
                                        || b.getOriginalKey().getQualifier() == null
                                        || b.getOriginalKey().getQualifier() instanceof String)

   * java.util.stream.Stream#filter}. This method is not being deprecated, but we gently encourage
   * you to migrate to streams.
   */
  // TODO(kevinb): how to omit that last sentence when building GWT javadoc?
  public static <E extends @Nullable Object> Set<E> filter(
      Set<E> unfiltered, Predicate<? super E> predicate) {
    if (unfiltered instanceof SortedSet) {
      return filter((SortedSet<E>) unfiltered, predicate);

                    foreignImports,
                    filter,
                    project.getRemotePluginRepositories(),
                    session.getRepositorySession());

            PluginRealmCache.CacheRecord cacheRecord = pluginRealmCache.get(cacheKey, () -> {
                createPluginRealm(pluginDescriptor, session, parent, foreignImports, filter);

                return new PluginRealmCache.CacheRecord(

                .getOrDefault(artifact.getGroupId(), Collections.emptyMap())
                .getOrDefault(artifact.getArtifactId(), Collections.emptyMap())
                .values()
                .stream()
                .filter(p -> Objects.nonNull(findArtifact(p, artifact)))
                .map(MavenProject::getVersion)
                .collect(Collectors.collectingAndThen(Collectors.toList(), Collections::unmodifiableList));
    }

        List<Dependency> deps = new ArrayList<>(result.getDependencies().keySet());
        List<Dependency> deps2 = result.getNodes().stream()
                .map(Node::getDependency)
                .filter(Objects::nonNull)
                .collect(Collectors.toList());
        assertEquals(deps, deps2);
        for (Dependency dep : deps2) {
            dep.getVersion();
        }
    }

        }
        return parent;
    }

    private Map<String, Activation> getProfileActivations(Model model) {
        return model.getProfiles().stream()
                .filter(p -> p.getActivation() != null)
                .collect(Collectors.toMap(Profile::getId, Profile::getActivation));
    }

    private Model injectProfileActivations(Model model, Map<String, Activation> activations) {

            Map<?, ?> map = (Map) session.getCache().get(session, DefaultModelCache.class.getName());
            List<String> paths = map.keySet().stream()
                    .map(Object::toString)
                    .filter(s -> s.startsWith("SourceCacheKey"))
                    .map(s -> s.substring("SourceCacheKey[location=".length(), s.indexOf(", tag")))
                    .sorted()
                    .distinct()

     *
     * @param plugin The plugin for which to resolve the dependencies, must not be {@code null}.
     * @param pluginArtifact The plugin's main artifact, may be {@code null}.
     * @param dependencyFilter A filter to exclude artifacts from resolution (but not collection), may be {@code null}.
     * @param repositories The plugin repositories to use for resolving the plugin artifacts, must not be {@code null}.

            // which may cause some re-entrance in the build() method and can
            // actually cause deadlocks.  In order to workaround the problem,
            // we do a first pass by reading all rawModels in order.
            List<ProjectBuildingResult> results = new ArrayList<>();
            boolean failure = false;
            for (InterimResult r : interimResults) {