}
        try (Writer writer = new OutputStreamWriter(new FileOutputStream(artifactFile), StandardCharsets.ISO_8859_1)) {
            writer.write(artifact.getId());
        }

        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(artifact.getId().getBytes());
        byte[] digest = md.digest();

        String md5path = repository.pathOf(artifact) + ".md5";

        propertiesTable = getTable('Properties')
        propertiesSection = propertiesTable.parentNode
        methodsTable = getTable('Methods')
        methodsSection = methodsTable.parentNode
    }

    String getId() { return id }

    String getName() { return className }

    String getSimpleName() { return simpleName }

    boolean isDeprecated() {
        return classMetaData.deprecated
    }

 * </ul>
 *
 * <h2>Usage Example</h2>
 *
 * <pre>
 * {@code
 * Session session = ... // Obtain a Maven session
 * Packaging packaging = session.requirePackaging("jar");
 * System.out.println(packaging.getId()); // Outputs "jar"
 * }
 * </pre>
 *
 * @see org.apache.maven.api.Session#requirePackaging(String)
 * @see org.apache.maven.api.Project#getPackaging()
 * @see org.apache.maven.api.model.Model#getPackaging()

            }
        };
    }

    @Override
    public PluginExecution getModel() {
        return delegate.getPlugin().getExecutions().stream()
                .filter(pe -> Objects.equals(pe.getId(), getExecutionId()))
                .findFirst()
                .map(org.apache.maven.model.PluginExecution::getDelegate)
                .orElse(null);
    }

    @Override

        }
    }

    private static String getExecutionId(Plugin plugin, String goal) {
        Set<String> existingIds = plugin != null
                ? plugin.getExecutions().stream().map(PluginExecution::getId).collect(Collectors.toSet())
                : Set.of();
        String base = "default-" + goal;
        String id = base;
        for (int index = 1; existingIds.contains(id); index++) {

    /**
     * Gets the identifier of the extension.
     *
     * @return The extension id in the form {@code <groupId>:<artifactId>:<version>}, never {@code null}.
     */
    public String getId() {
        StringBuilder id = new StringBuilder(128);

        id.append((getGroupId() == null) ? "[unknown-group-id]" : getGroupId());
        id.append(":");

                String message = artifact.getArtifactId() + ": resolved to version " + version;
                if (artifact.getRepository() != null) {
                    message += " from repository " + artifact.getRepository().getId();
                } else {
                    message += " from local repository";
                }
                getLogger().debug(message);
            } else {

        for (Iterator<ProjectSegment> it = projectBuilds.iterator(); it.hasNext(); ) {
            ProjectSegment projectBuild = it.next();

            logger.debug("Project: " + projectBuild.getProject().getId());
            logger.debug("Tasks:   " + projectBuild.getTaskSegment().getTasks());
            logger.debug("Style:   " + (projectBuild.getTaskSegment().isAggregating() ? "Aggregating" : "Regular"));

    private MavenProject topLevelProject;

    private ProjectDependencyGraph projectDependencyGraph;

    private boolean parallel;

    /**
     * Plugin context keyed by project ({@link MavenProject#getId()}) and by plugin lookup key
     * ({@link PluginDescriptor#getPluginLookupKey()}). Plugin contexts itself are mappings of {@link String} keys to
     * {@link Object} values.
     */

public interface Artifact {
    /**
     * {@return a unique identifier for this artifact}.
     * The identifier is composed of groupId, artifactId, extension, classifier, and version.
     *
     * @see ArtifactCoordinates#getId()
     */
    @Nonnull
    default String key() {
        String c = getClassifier();
        return getGroupId()
                + ':'
                + getArtifactId()
                + ':'