}

    @Override
    public List<MavenProject> collectProjects(final MavenExecutionRequest request) throws ProjectBuildingException {
        ProjectBuildingRequest buildingRequest = request.getProjectBuildingRequest();
        ModelSource modelSource = new UrlModelSource(DefaultMaven.class.getResource("project/standalone.xml"));
        MavenProject project =

    private List<MavenProject> getProjectsForMavenReactor(MavenSession session) throws ProjectBuildingException {
        MavenExecutionRequest request = session.getRequest();
        request.getProjectBuildingRequest().setRepositorySession(session.getRepositorySession());

        // 1. Collect project for invocation without a POM.
        if (request.getPom() == null) {

    @Override
    public List<MavenProject> selectProjects(List<File> files, MavenExecutionRequest request)
            throws ProjectBuildingException {
        ProjectBuildingRequest projectBuildingRequest = request.getProjectBuildingRequest();

        boolean hasProjectSelection = !request.getProjectActivation().isEmpty();
        boolean isRecursive = hasProjectSelection || request.isRecursive();

                    Files.getLastModifiedTime(packagedArtifactFile.toPath()).toMillis();

            if (session.getProjectBuildingRequest().getBuildStartTime() != null) {
                long buildStartTime =
                        session.getProjectBuildingRequest().getBuildStartTime().getTime();
                if (artifactLastModified > buildStartTime) {
                    return true;
                }

    }

    public MavenProject getCurrentProject() {
        return currentProject.get();
    }

    public ProjectBuildingRequest getProjectBuildingRequest() {
        return request.getProjectBuildingRequest().setRepositorySession(getRepositorySession());
    }

    public List<String> getPluginGroups() {
        return request.getPluginGroups();
    }

        when(session.getRequest()).thenReturn(mavenExecutionRequest);
        when(session.getProjects()).thenReturn(null); // needed, otherwise it will be an empty list by default
        when(mavenExecutionRequest.getProjectBuildingRequest()).thenReturn(mock(ProjectBuildingRequest.class));
        List<ProjectBuildingResult> projectBuildingResults =
                createProjectBuildingResultMocks(Stream.of(projectParent, projectModuleD)

    ExecutionListener getExecutionListener();

    MavenExecutionRequest setExecutionListener(ExecutionListener executionListener);

    ProjectBuildingRequest getProjectBuildingRequest();

    /**
     * @since 3.1
     * @deprecated Since 3.9 there is no direct Maven2 interop offered at LRM level. See

        }
        return pluginArtifactRepositories;
    }

    // TODO this does not belong here.
    @Override
    public ProjectBuildingRequest getProjectBuildingRequest() {
        if (projectBuildingRequest == null) {
            projectBuildingRequest = new DefaultProjectBuildingRequest();
            projectBuildingRequest.setLocalRepository(getLocalRepository());

     *
     * @return The project building request or {@code null}.
     * @since 2.1
     */
    @Deprecated
    public ProjectBuildingRequest getProjectBuildingRequest() {
        return projectBuilderConfiguration;
    }

    /**
     * Sets the project building request from which this project instance was created. <strong>Warning:</strong> This is