@Override
    public void apply(Project project) {
        ProjectLayout layout = project.getLayout();
        TaskContainer tasks = project.getTasks();

        GradleDocumentationExtension extension = project.getExtensions().getByType(GradleDocumentationExtension.class);
        generateDefaultImports(project, tasks, extension);
        generateUserManual(project, tasks, layout, extension);

            if (extensionsFile != null && Files.exists(extensionsFile)) {
                try (InputStream is = Files.newInputStream(extensionsFile)) {
                    return new CoreExtensionsStaxReader().read(is, true).getExtensions();
                }
            }
            return List.of();
        } catch (XMLStreamException e) {
            throw new ParserException("Failed to parse extensions file: " + extensionsFile, e);
        }

    }

    public static ArtifactHandler newHandler(Artifact artifact) {
        String type = artifact.getProperty(ArtifactProperties.TYPE, artifact.getExtension());
        return new DefaultArtifactHandler(
                type,
                artifact.getExtension(),
                null,
                null,
                null,

                        result.addException(exception);
                    }
                }
            } else {
                String key = SNAPSHOT + getKey(artifact.getClassifier(), artifact.getExtension());
                merge(infos, SNAPSHOT, key);
                if (!resolve(result, infos, key)) {
                    result.setVersion(version);
                }
            }

    // Implementation
    //

    private File findArtifact(MavenProject project, Artifact artifact, boolean checkUptodate) {
        // POMs are always returned from the file system
        if ("pom".equals(artifact.getExtension())) {
            return project.getFile();
        }

        // Get the matching artifact from the project
        Artifact projectArtifact = findMatchingArtifact(project, artifact);

        assertEquals(
                "sources", target.getVersioning().getSnapshotVersions().get(0).getClassifier());
        assertEquals("jar", target.getVersioning().getSnapshotVersions().get(0).getExtension());
        assertEquals(
                "20200710072412",
                target.getVersioning().getSnapshotVersions().get(0).getUpdated());
    }

    @Test

            Artifact nodeArtifact = collectStepTrace.getNode().getArtifact();

            if (isInScope(resolvedArtifact, nodeArtifact) || "pom".equals(resolvedArtifact.getExtension())) {
                Dependency node = collectStepTrace.getNode();
                trackingData.add(resolvedArtifact.toString());
                indent += "  ";

        Artifact artifact = artifactFactory.createBuildArtifact("test", "test", version, type);
        artifact.setFile(new File(
                testData,
                "test-" + version + "." + artifact.getArtifactHandler().getExtension()));
        assertFalse(artifact.getFile().exists());
        return artifact;
    }

    private ArtifactRepository createStringRepo() {
        return artifactRepositoryFactory.createArtifactRepository(

    }

    private static String getId(Artifact artifact) {
        return getId(
                artifact.getGroupId(),
                artifact.getArtifactId(),
                artifact.getExtension(),
                artifact.getClassifier(),
                artifact.getBaseVersion());
    }

    private static String getId(ClassRealmConstituent constituent) {
        return getId(

        <codeSegment>
          <version>1.0.0/1.1.0</version>
          <code><![CDATA[
    private String getSnapshotVersionKey( SnapshotVersion sv )
    {
        return sv.getClassifier() + ":" + sv.getExtension();
    }

    public boolean merge( Metadata sourceMetadata )
    {
        boolean changed = false;

        for ( Plugin plugin : sourceMetadata.getPlugins() )
        {
            boolean found = false;