this.toolchainManagerPrivate = toolchainManagerPrivate;
    }

    @Override
    public List<Toolchain> getToolchains(Session session, String type, Map<String, String> requirements)
            throws ToolchainManagerException {
        MavenSession s = InternalMavenSession.from(session).getMavenSession();
        List<org.apache.maven.toolchain.Toolchain> toolchains =

        projectBuilds.add(createProjectBuild(A, session, segment));
        projectBuilds.add(createProjectBuild(B, session, segment));
        projectBuilds.add(createProjectBuild(C, session, segment));
        projectBuilds.add(createProjectBuild(X, session, segment));
        projectBuilds.add(createProjectBuild(Y, session, segment));
        projectBuilds.add(createProjectBuild(Z, session, segment));
        return projectBuilds;
    }

     */
    @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));
    }

        Key cacheKey = null;
        RepositoryCache cache = session.getCache();
        if (cache != null && !ConfigUtils.getBoolean(session, false, "aether.versionResolver.noCache")) {
            cacheKey = new Key(session, request);

            Object obj = cache.get(session, cacheKey);
            if (obj instanceof Record) {
                Record record = (Record) obj;

    }

    @Nonnull
    default DependencyResolverResult resolve(
            @Nonnull Session session, @Nonnull Project project, @Nonnull PathScope scope) {
        return resolve(DependencyResolverRequest.build(session, project, scope));
    }

    @Nonnull
    default DependencyResolverResult resolve(@Nonnull Session session, @Nonnull DependencyCoordinate dependency) {

     */
    @Nonnull
    default ProjectBuilderResult build(@Nonnull Session session, @Nonnull Source source) {
        return build(ProjectBuilderRequest.build(session, source));
    }

    /**
     * Creates a {@link org.apache.maven.api.Project} from a POM file.
     *
     * @param session the {@link Session}, must not be {@code null}
     * @param path the {@link Path}, must not be {@code null}

        return injector.getInstance(Session.class);
    }

    static class DefaultSession extends AbstractSession {

        private final Map<String, String> systemProperties;
        private Instant startTime = Instant.now();

        DefaultSession(RepositorySystemSession session, RepositorySystem repositorySystem, Lookup lookup) {
            this(session, repositorySystem, Collections.emptyList(), null, lookup);

        return new VersionResolverRequestBuilder();
    }

    @NotThreadSafe
    class VersionResolverRequestBuilder {
        Session session;
        ArtifactCoordinate artifactCoordinate;

        public VersionResolverRequestBuilder session(Session session) {
            this.session = session;
            return this;
        }

        return new VersionResolverRequestBuilder();
    }

    @NotThreadSafe
    class VersionResolverRequestBuilder {
        Session session;
        ArtifactCoordinate artifactCoordinate;

        public VersionResolverRequestBuilder session(Session session) {
            this.session = session;
            return this;
        }

public class DefaultArtifact implements Artifact {
    private final @Nonnull InternalSession session;
    private final @Nonnull org.eclipse.aether.artifact.Artifact artifact;
    private final String key;

    public DefaultArtifact(@Nonnull InternalSession session, @Nonnull org.eclipse.aether.artifact.Artifact artifact) {
        this.session = nonNull(session, "session");
        this.artifact = nonNull(artifact, "artifact");
        this.key = getGroupId()