this.prop = prop
    }

    /**
     * A method that returns String.
     */
    String stringMethod(String stringParam) {
        'value'
    }

    /**
     * A method that returns void.
     */
    void voidMethod() {
    }

    /**
     * A method that returns a reference type.
     */
    public final CombinedInterface refTypeMethod(JavaInterface someThing, boolean aFlag) {
        null
    }

            throws ModelInterpolationException {
        interpolateObject(model, model, projectDir, config, debugEnabled);

        return model;
    }

    protected void interpolateObject(
            Object obj, Model model, File projectDir, ProjectBuilderConfiguration config, boolean debugEnabled)
            throws ModelInterpolationException {
        try {

            String url,
            ArtifactRepositoryLayout repositoryLayout,
            ArtifactRepositoryPolicy snapshots,
            ArtifactRepositoryPolicy releases);

    void setGlobalUpdatePolicy(String snapshotPolicy);

    void setGlobalChecksumPolicy(String checksumPolicy);

        class IgnoreMe {}

        // ignore anonymous classes
        return new Sub2Interface() { };
    }

    // ignore anonymous classes
    final Runnable ignoreMe = new Runnable() {
        public void run() {
        }
    };

    InnerClass.AnotherInner getInnerClassProp() { return null; }

        return mavenExecutionRequest;
    }

    @Override
    protected void lookup(MavenContext context) throws Exception {
        if (context.maven == null) {
            super.lookup(context);
            context.maven = context.lookup.lookup(Maven.class);
        }
    }

    @Override
    protected void postCommands(MavenContext context) throws Exception {
        super.postCommands(context);

    public String getRawCommentText() {
        return rawCommentText;
    }

    public void setRawCommentText(String rawCommentText) {
        this.rawCommentText = rawCommentText;
    }

    @Override
    public List<String> getAnnotationTypeNames() {
        return annotationNames;
    }

    public void addAnnotationTypeName(String annotationType) {
        annotationNames.add(annotationType);
    }

    }

    public List<SettingsProblem> getProblems() {
        return problems;
    }

    public void setSource(String source) {
        this.source = source;
    }

    @Override
    public void add(SettingsProblem.Severity severity, String message, int line, int column, Exception cause) {
        if (line <= 0 && column <= 0 && cause instanceof SettingsParseException e) {

    }

    public Collection<Vertex> getVertices() {
        return vertices.values();
    }

    Vertex addVertex(String label) {
        return vertices.computeIfAbsent(label, Vertex::new);
    }

    void addEdge(Vertex from, Vertex to) throws CycleDetectedException {
        from.children.add(to);
        to.parents.add(from);
        List<String> cycle = findCycle(to);
        if (cycle != null) {

        metadata.setArtifactId(artifact.getArtifactId());
        metadata.setVersion(artifact.getBaseVersion());
        metadata.setModelVersion("1.1.0");
        return metadata;
    }

    public void bind(Artifact artifact) {
        artifacts.add(artifact);
    }

    @Deprecated
    @Override
    public MavenMetadata setFile(File file) {

import static org.apache.maven.lifecycle.internal.stub.ProjectDependencyGraphStub.getProjectBuildList;
import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 */
class ConcurrencyDependencyGraphTest {
    @Test
    void testConcurrencyGraphPrimaryVersion()
            throws InvalidPluginDescriptorException, PluginVersionResolutionException, PluginDescriptorParsingException,