.groupId(requireNonNull(dependency, "dependency").getGroupId())
                .artifactId(dependency.getArtifactId())
                .version(dependency.getVersion().toString())
                .classifier(dependency.getClassifier())
                .extension(dependency.getExtension())
                .type(dependency.getType().id())
                .scope(dependency.getScope().id())

    }

    private static String getKey(Model model) {
        return "project>" + model.getGroupId() + ":" + model.getArtifactId() + ":" + model.getVersion();
    }

    @Override
    public ClassRealm createExtensionRealm(Plugin plugin, List<Artifact> artifacts) {
        Objects.requireNonNull(plugin, "plugin cannot be null");

                    Dependency dependency = new Dependency();
                    dependency.setArtifactId(moduleTo);
                    dependency.setGroupId(project.getGroupId());
                    dependency.setVersion(project.getVersion());

                    project.getModel().addDependency(dependency);
                }
            }
        }
    }

    @Override
    protected String getProjectsDirectory() {

        this.projectId = (project != null)
                ? project.getGroupId() + ':' + project.getArtifactId() + ':' + project.getVersion()
                : "";
        this.pomFile = (project != null) ? project.getFile() : null;
        this.project = project;
        this.problems = problems != null ? problems : Collections.emptyList();

        Artifact depArtifact = dep1.getArtifact();
        assertEquals("ut.simple", depArtifact.getGroupId());
        assertEquals("dependency", depArtifact.getArtifactId());
        assertEquals("1.0", depArtifact.getVersion());
        assertEquals("1.0", depArtifact.getBaseVersion());
        assertNull(depArtifact.getFile());
        assertFalse(depArtifact.isSnapshot(), "Expected " + depArtifact + ".isSnapshot() to return false");

        String realmId = "coreExtension>" + extension.getGroupId() + ":" + extension.getArtifactId() + ":"
                + extension.getVersion();
        final ClassRealm realm = classWorld.newRealm(realmId, null);
        Set<String> providedArtifacts = Collections.emptySet();
        String classLoadingStrategy = extension.getClassLoadingStrategy();

     */
    String getClassifier();

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

    /**
     * Gets the file of the constituent's artifact.
     *
     * @return The file, never {@code null}.
     */
    File getFile();

                && ARTIFACT_ID.equals(artifact.getArtifactId())
                && VERSION.equals(artifact.getVersion())) {
            Model m = new Model();
            m.setArtifactId(ARTIFACT_ID);
            m.setGroupId(GROUP_ID);
            m.setVersion(VERSION);
            Repository repository = new Repository();
            repository.setId(REPO_ID);
            repository.setUrl(REPO_URL);

        descriptor.setGroupId(plugin.getGroupId());
        descriptor.setArtifactId(plugin.getArtifactId());
        descriptor.setPlugin(plugin);
        descriptor.setVersion(plugin.getVersion());
        final MojoDescriptor mojoDescriptor = new MojoDescriptor();
        mojoDescriptor.setPluginDescriptor(descriptor);
        return mojoDescriptor;
    }

                os.setArch(profileOs.getArch());
                os.setFamily(profileOs.getFamily());
                os.setName(profileOs.getName());
                os.setVersion(profileOs.getVersion());

                activation.setOs(os);
            }

            org.apache.maven.profiles.ActivationFile profileFile = profileActivation.getFile();

            if (profileFile != null) {