break;
                }
            }
        }
        return visitor.leave(this);
    }

    @Override
    public Node filter(Predicate<Node> filter) {
        List<Node> children =
                getChildren().stream().filter(filter).map(n -> n.filter(filter)).collect(Collectors.toList());
        return new WrapperNode(this, Collections.unmodifiableList(children));
    }

    @Override

        Set<String> mavenArtifacts = artifactDescriptorResult.getDependencies().stream()
                .filter(d -> !DependencyScope.PROVIDED.is(d.getScope()) && !DependencyScope.TEST.is(d.getScope()))
                .map(org.eclipse.aether.graph.Dependency::getArtifact)
                .filter(a -> "org.apache.maven".equals(a.getGroupId()))
                .filter(a -> !DefaultPluginValidationManager.EXPECTED_PROVIDED_SCOPE_EXCLUSIONS_GA.contains(

     * Note that this node will not be filtered and only the children
     * and its descendant will be checked.
     *
     * @param filter the filter to apply
     * @return a new filtered graph
     */
    @Nonnull
    Node filter(@Nonnull Predicate<Node> filter);

    /**
     * Returns a string representation of this dependency node.
     *
     * @return the string representation
     */
    @Nonnull

     * then the path type is determined by checking if the dependency is modular.</p>
     *
     * @param types types of path where a dependency can be placed
     * @param filter filter the paths accepted by the tool which will consume the path
     * @param path path to the JAR file or output directory of the dependency

            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()

        // do nothing
    }

    /**
     * Checks the specified (raw) model for missing or invalid values. The raw model is the file model + buildpom filter
     * transformation and has not been subjected to inheritance, interpolation or profile/default injection.
     *
     * @param model The model to validate, must not be {@code null}.

                && (rootProject.getDefaultGoal() != null
                        && !rootProject.getDefaultGoal().isEmpty())) {
            tasks = Stream.of(rootProject.getDefaultGoal().split("\\s+"))
                    .filter(g -> !g.isEmpty())
                    .collect(Collectors.toList());
        }

        return calculateTaskSegments(session, tasks);
    }

    @Override

     *
     * @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}.

         * processes one artifact at a time and hence cannot associate the artifacts from the same project to use the
         * same version index. Allowing the caller to pass in metadata from a previous deployment allows to re-establish
         * the association between the artifacts of the same project.
         */

                    MojoNotFoundException, InvalidPluginDescriptorException {
        /*
         * Initialize mapping from lifecycle phase to bound mojos. The key set of this map denotes the phases the caller
         * is interested in, i.e. all phases up to and including the specified phase.
         */

        Map<String, Map<Integer, List<MojoExecution>>> mappings = new LinkedHashMap<>();