*/
    @Nonnull
    String getGroupId();

    /**
     * {@return the identifier of the artifact}.
     *
     * @see ArtifactCoordinates#getArtifactId()
     */
    @Nonnull
    String getArtifactId();

    /**
     * {@return the version of the artifact}.
     * Contrarily to {@link ArtifactCoordinates},

    protected static Metadata createMetadata(Artifact artifact, Versioning versioning) {
        Metadata metadata = new Metadata();
        metadata.setGroupId(artifact.getGroupId());
        metadata.setArtifactId(artifact.getArtifactId());
        metadata.setVersion(artifact.getVersion());
        metadata.setVersioning(versioning);
        return metadata;
    }

    protected static Versioning createVersioning(Snapshot snapshot) {

    /**
     * Gets the effective artifact identifier of the model.
     *
     * @return The effective artifact identifier of the model or an empty string if unknown, never {@code null}.
     */
    public String getArtifactId() {
        return (artifactId != null) ? artifactId : "";
    }

    /**
     * Sets the effective artifact identifier of the model.
     *

        Artifact artifact = mock(Artifact.class);
        when(artifact.getFile()).thenReturn(new File(new File("local/repository"), "some/path"));
        when(artifact.getGroupId()).thenReturn("group1");
        when(artifact.getArtifactId()).thenReturn("artifact1");
        when(artifact.getExtension()).thenReturn("ext");
        when(artifact.getClassifier()).thenReturn("classifier1");
        when(artifact.getVersion()).thenReturn("1");

    private final Plugin plugin;

    public CycleDetectedInPluginGraphException(Plugin plugin, CycleDetectedInComponentGraphException e) {
        super("A cycle was detected in the component graph of the plugin: " + plugin.getArtifactId());

        this.plugin = plugin;
    }

    public Plugin getPlugin() {
        return plugin;
    }

        super(
                "Plugin could not be found - check that the goal name is correct: " + e.getMessage(),
                e.getGroupId(),
                e.getArtifactId(),
                e.getVersion(),
                "maven-plugin",
                null,
                e.getRemoteRepositories(),
                null,
                e.getCause());
        this.plugin = plugin;

        if (step.project == currentProject) {
            return step.name;
        } else {
            String artifactId = step.project.getArtifactId();
            if (duplicateIds.contains(artifactId)) {
                return step.name + "(" + step.project.getGroupId() + ":" + artifactId + ")";
            } else {

        }

        return plugin.getGroupId();
    }

    public String getArtifactId() {
        if (mojoDescriptor != null) {
            return mojoDescriptor.getPluginDescriptor().getArtifactId();
        }

        return plugin.getArtifactId();
    }

    public String getVersion() {
        if (mojoDescriptor != null) {

    @Test
    void testBuildReader() throws Exception {
        PluginDescriptor pd = build("/plugin.xml");

        assertEquals("org.apache.maven.plugins", pd.getGroupId());
        assertEquals("maven-jar-plugin", pd.getArtifactId());
        assertEquals("2.3-SNAPSHOT", pd.getVersion());
        assertEquals("jar", pd.getGoalPrefix());
        assertEquals("plugin-description", pd.getDescription());

        }

        Artifact artifact = new DefaultArtifact(
                dependency.getGroupId(),
                dependency.getArtifactId(),
                dependency.getClassifier(),
                null,
                dependency.getVersion(),
                props,
                stereotype);