.filter(p -> p.getArtifactId().equals(artifactId))
                .findFirst()
                .orElse(null);
        assertNotNull(plugin, "Unable to find plugin with artifactId: " + artifactId);
        List<PluginExecution> pluginExecutions = plugin.getExecutions();
        PluginExecution pluginExecution = pluginExecutions.stream()
                .filter(pe -> pe.getId().equals(expectedId))

                        FAMILY_TANDEM,
                        FAMILY_UNIX,
                        FAMILY_WIN9X,
                        FAMILY_WINDOWS,
                        FAMILY_ZOS)
                .filter(Os::isFamily)
                .findFirst()
                .orElse(null);
    }

             */
            if (Files.isDirectory(file)) {
                Map<Path, String> names = new HashMap<>();
                try (Stream<Path> subdirs = Files.list(file)) {
                    subdirs.filter(Files::isDirectory).forEach((subdir) -> {
                        Path mf = subdir.resolve(MODULE_INFO);
                        if (Files.isRegularFile(mf)) {
                            String name = null;

        }
        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) {

     * Note: Project properties contains properties injected from profiles, if applicable. Their precedence is
     * {@code profile > project}, hence active profile property may override project property.
     * <p>
     * The caller of this method should decide whether there is a project in scope (hence, a project instance
     * needs to be passed) or not.
     *
     * @param project {@link Project} or {@code null}.

          </description>
          <type>String</type>
        </field>
        <field>
          <name>filters</name>
          <version>4.0.0+</version>
          <description>The list of filter properties files that are used when filtering is enabled.</description>
          <association>
            <type>String</type>
            <multiplicity>*</multiplicity>
          </association>
        </field>

                    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

     * 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}.