Map<Object, Object> hints = new HashMap<>();
        String childPath = child.getProperties().getOrDefault(CHILD_DIRECTORY_PROPERTY, child.getArtifactId());
        hints.put(CHILD_DIRECTORY, childPath);
        hints.put(MavenModelMerger.CHILD_PATH_ADJUSTMENT, getChildPathAdjustment(child, parent, childPath));
        return merger.merge(child, parent, false, hints);
    }

     */
    String getGroupId();

    /**
     * Gets the artifact id of the constituent's artifact.
     *
     * @return The artifact id, never {@code null}.
     */
    String getArtifactId();

    /**
     * Gets the type of the constituent's artifact.
     *
     * @return The type, never {@code null}.
     */
    String getType();

    /**

            Build build = model.getBuild();
            if (build != null) {
                for (Plugin plugin : build.getPlugins()) {
                    if (groupId.equals(plugin.getGroupId()) && artifactId.equals(plugin.getArtifactId())) {
                        return plugin;
                    }
                }

                PluginManagement mgmt = build.getPluginManagement();
                if (mgmt != null) {

        this.version = version;
        this.hashCode = Objects.hash(groupId, artifactId, version);
    }

    public String getGroupId() {
        return groupId;
    }

    public String getArtifactId() {
        return artifactId;
    }

    public String getVersion() {
        return version;
    }

    @Override
    public int hashCode() {
        return hashCode;
    }

    @Override

        assertTrue(set.size() == 3, "Set size should be 3, is " + set.size());

        for (Object aSet : set) {
            Artifact artifact = (Artifact) aSet;
            assertFalse(artifact.getArtifactId().equals("t07-d"));
            System.out.println("Artifact: " + artifact.getDependencyConflictId() + " " + artifact.getVersion()
                    + " Optional=" + (artifact.isOptional() ? "true" : "false"));

        }

        public boolean storedInGroupDirectory() {
            return metadata.getArtifactId().isEmpty();
        }

        public String getGroupId() {
            return nullify(metadata.getGroupId());
        }

        public String getArtifactId() {
            return nullify(metadata.getArtifactId());
        }

        public String getBaseVersion() {

            results.add(result);

            Artifact artifact = request.getArtifact();
            if ("maven-test".equals(artifact.getGroupId())) {
                String scope = artifact.getArtifactId().substring("scope-".length());

                try {
                    artifact = artifact.setFile(ProjectClasspathTestType.getFileForClasspathResource(

                Artifact result = new RelocatedArtifact(
                        artifactDescriptorResult.getRequest().getArtifact(),
                        relocation.getGroupId(),
                        relocation.getArtifactId(),
                        null,
                        null,
                        relocation.getVersion(),
                        relocation.getMessage());
                LOGGER.debug(

    }

    private String id(org.apache.maven.artifact.Artifact artifact) {
        return artifact.getGroupId()
                + ":" + artifact.getArtifactId()
                + ":" + artifact.getArtifactHandler().getExtension()
                + (artifact.getClassifier() == null || artifact.getClassifier().isEmpty()
                        ? ""

                        .forEach(goal -> goals.computeIfAbsent(phase.name(), n -> new ArrayList<>())
                                .add(plugin.getGroupId() + ":" + plugin.getArtifactId() + ":" + plugin.getVersion()
                                        + ":" + goal)))));
        return goals.entrySet().stream()