@Nonnull Source userSettingsSource) {
        return build(session, installationSettingsSource, null, userSettingsSource);
    }

    @Nonnull
    static SettingsBuilderRequest build(
            @Nonnull ProtoSession session, @Nonnull Path installationSettingsPath, @Nonnull Path userSettingsPath) {
        return build(session, Sources.fromPath(installationSettingsPath), null, Sources.fromPath(userSettingsPath));

        FLATTEN,
        RESOLVE
    }

    @Nonnull
    RequestType getRequestType();

    @Nonnull
    Optional<Project> getProject();

    @Nonnull
    Optional<Artifact> getRootArtifact();

    @Nonnull
    Optional<DependencyCoordinates> getRoot();

    @Nonnull
    Collection<DependencyCoordinates> getDependencies();

    @Nonnull
    Collection<DependencyCoordinates> getManagedDependencies();

     */
    @Nonnull
    String getGroupId();

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

    /**
     * Returns the classifier of the artifact.
     *
     * @return the classifier or an empty string if none, never {@code null}
     */
    @Nonnull
    String getClassifier();

    /**

     */
    @Nonnull
    DependencyCoordinates create(@Nonnull DependencyCoordinatesFactoryRequest request);

    @Nonnull
    default DependencyCoordinates create(@Nonnull Session session, @Nonnull ArtifactCoordinates coordinates) {
        return create(DependencyCoordinatesFactoryRequest.build(session, coordinates));
    }

    @Nonnull
    default DependencyCoordinates create(

        return project;
    }

    @Nonnull
    @Override
    public String getGroupId() {
        return project.getGroupId();
    }

    @Nonnull
    @Override
    public String getArtifactId() {
        return project.getArtifactId();
    }

    @Nonnull
    @Override
    public String getVersion() {
        return project.getVersion();
    }

    @Nonnull
    @Override

     * @return the transformed model, or the input model if no transformation is needed
     */
    @Nonnull
    Model transform(
            @Nonnull Model model, @Nonnull ModelBuilderRequest request, @Nonnull ModelProblemCollector problems);

     */
    @Nonnull
    Artifact create(@Nonnull ArtifactFactoryRequest request);

    @Nonnull
    default Artifact create(
            @Nonnull Session session, String groupId, String artifactId, String version, String extension) {
        return create(ArtifactFactoryRequest.build(session, groupId, artifactId, version, extension));
    }

    @Nonnull
    default Artifact create(

     * @return The version result, never {@code null}.
     * @throws VersionResolverException If the metaversion could not be resolved.
     */
    @Nonnull
    default VersionResolverResult resolve(@Nonnull Session session, @Nonnull ArtifactCoordinates artifactCoordinates)
            throws VersionResolverException {
        return resolve(VersionResolverRequest.build(session, artifactCoordinates));
    }

    @Deprecated(since = "4.0.0", forRemoval = true)
    @Nonnull
    default String getName() {
        return name();
    }

    @Deprecated(since = "4.0.0", forRemoval = true)
    @Nonnull
    default String getNamespaceUri() {
        return namespaceUri();
    }

    @Deprecated(since = "4.0.0", forRemoval = true)
    @Nonnull
    default String getPrefix() {
        return prefix();
    }

     * @return the phase
     */
    @Nonnull
    String phase() default "";

    /**
     * Goal to fork. Note that specifying a phase overrides specifying a goal. The specified <code>goal</code> must be
     * another goal of the same plugin.
     * @return the goal
     */
    @Nonnull
    String goal() default "";

    /**