* Registers the specified cache record for usage with the given project. Integrators can use the information
     * collected from this method in combination with a custom cache implementation to dispose unused records from the
     * cache.
     *
     * @param project The project that employs the plugin realm, must not be {@code null}.
     * @param record The cache record being used for the project, must not be {@code null}.
     */

    }

    public ProjectExecutionEvent(MavenSession session, MavenProject project, Throwable cause) {
        this(session, project, null, cause);
    }

    public ProjectExecutionEvent(
            MavenSession session, MavenProject project, List<MojoExecution> executionPlan, Throwable cause) {
        this.session = session;
        this.project = project;
        this.executionPlan = executionPlan;
        this.cause = cause;
    }

        List<MavenProject> filtered = new ArrayList<>(projects.size());
        for (MavenProject project : projects) {
            if (whiteList.containsKey(project)) {
                filtered.add(project);
            } else if (!transitive) {
                filtered.addAll(upstream ? getUpstreamProjects(project, false) : getDownstreamProjects(project, false));
            }

    private final MavenProject project;

    public DuplicateArtifactAttachmentException(MavenProject project, Artifact artifact) {
        super(constructMessage(project, artifact));
        this.project = project;
        this.artifact = artifact;
    }

    private static String constructMessage(MavenProject project, Artifact artifact) {

  project from another, maven requires a minimum set of elements to be specified
  in each project's pom.xml.

   - [modelVersion] tells maven which version of the object model this project
       is compliant with (to support future legacy concerns)

   - [artifactId] tells maven what the artifact name is for this particular
       project. Each project should have a distinct artifactId.

        return Objects.equals(project, that.project) && Objects.equals(name, that.name);
    }

    @Override
    public int hashCode() {
        return Objects.hash(project, name);
    }

    @Override
    public String toString() {
        return "BuildStep[" + "project="
                + project.getGroupId() + ":" + project.getArtifactId() + ", phase="
                + name + ']';

 * projects with longer dependency chains are built first. When projects have
 * the same weight, they are ordered by project ID for deterministic results.
 *
 * <p><b>Example:</b>
 * <p>Consider projects with dependencies: A → B → D, A → C → D
 * <ul>
 * <li>Project D: weight = 1 (no downstream dependencies)</li>
 * <li>Project B: weight = 2 (1 + max(D=1))</li>
 * <li>Project C: weight = 2 (1 + max(D=1))</li>

    private volatile int lastDependencyArtifactCount = -1;

    public DependencyContext(
            MavenProject project, Collection<String> scopesToCollect, Collection<String> scopesToResolve) {
        this.project = project;
        scopesToCollectForCurrentProject = scopesToCollect;
        scopesToResolveForCurrentProject = scopesToResolve;

    private void injectPluginDeclarationFromProject(Plugin plugin, MavenProject project) {
        Plugin pluginInPom = findPlugin(plugin, project.getBuildPlugins());

        if (pluginInPom == null && project.getPluginManagement() != null) {
            pluginInPom = findPlugin(plugin, project.getPluginManagement().getPlugins());
        }

        if (pluginInPom != null) {
            if (plugin.getVersion() == null) {

    private MavenProject project;

    public ProjectArtifact(MavenProject project) {
        super(
                project.getGroupId(),
                project.getArtifactId(),
                project.getVersion(),
                null,
                "pom",
                null,
                new PomArtifactHandler());
        this.project = project;
        setFile(project.getFile());