* This map is usually either empty if no module was found, or a singleton map.
     * It may however contain more than one entry if module hierarchy was detected,
     * in which case there is one key per sub-directory.
     *
     * <p>This map may contain null values if the constructor was invoked with {@code resolve}
     * parameter set to false. This is more efficient when only the module existence needs to

        this.repository = repository;
        String repositoryUrl = repository.getUrl();
        if (repositoryUrl.contains("${")) {
            // the repository url contains unresolved properties and getting the basedir is not possible
            // in JDK 20+ 'new URL(string)' will fail if the string contains a curly brace
            this.basedir = null;
        } else {
            try {

    protected ProjectBuilder projectBuilder;

    @Inject
    protected MavenRepositorySystem repositorySystem;

    @Inject
    protected PlexusContainer container;

    public PlexusContainer getContainer() {
        return container;
    }

    @BeforeEach
    public void setUp() throws Exception {
        if (getContainer().hasComponent(ProjectBuilder.class, "test")) {

            severities.add(problem.getSeverity());
        }
    }

    public boolean hasFatalErrors() {
        return severities.contains(ModelProblem.Severity.FATAL);
    }

    public boolean hasErrors() {
        return severities.contains(ModelProblem.Severity.ERROR) || severities.contains(ModelProblem.Severity.FATAL);
    }

    @Override
    public List<ModelProblem> getProblems() {
        return problems;
    }

    }

    /**
     * Adds main and test output directories to the result. This method adds the main output directory
     * to the module-path if it contains a {@code module-info.class}, or to the class-path otherwise.
     * For the test output directory, the rules are more complex and are governed by the fact that

     */
    @Nonnull
    List<Node> getNodes();

    /**
     * Returns the file paths of all dependencies, regardless on which tool option those paths should be placed.
     * The returned list may contain a mix of Java class-path, Java module-path, and other types of path elements.
     *
     * @return the paths of all dependencies
     */
    @Nonnull
    List<Path> getPaths();

    /**

    @Inject
    protected PlexusContainer container;

    @Inject
    protected RepositorySystem repositorySystem;

    @Inject
    protected org.apache.maven.project.ProjectBuilder projectBuilder;

    protected abstract String getProjectsDirectory();

    protected PlexusContainer getContainer() {
        return container;
    }

    protected File getProject(String name) throws Exception {

     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    Model expandPluginConfiguration(Model model, ModelBuilderRequest request, ModelProblemCollector problems);

     *            be <code>null</code>.
     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    Model injectManagement(Model model, ModelBuilderRequest request, ModelProblemCollector problems);

        return build != null ? build : Build.newInstance();
    }

    /**
     * Returns the path to the pom file for this project.
     * A project is usually read from a file named {@code pom.xml},
     * which contains the {@linkplain #getModel() model} in an XML form.
     * When a custom {@code org.apache.maven.api.spi.ModelParser} is used,
     * the path may point to a non XML file.
     * <p>