@NotThreadSafe
    class ArtifactResolverRequestBuilder {
        Session session;
        Collection<? extends ArtifactCoordinates> coordinates;
        List<RemoteRepository> repositories;

        ArtifactResolverRequestBuilder() {}

        @Nonnull
        public ArtifactResolverRequestBuilder session(Session session) {
            this.session = session;
            return this;
        }

        @Nonnull

    }

    @NotThreadSafe
    class VersionResolverRequestBuilder {
        Session session;
        ArtifactCoordinates artifactCoordinates;
        List<RemoteRepository> repositories;

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

        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 =

    private final RepositorySystemSession session;
    private final AtomicReference<String> sourceState;

    @SuppressWarnings("checkstyle:ParameterNumber")
    TransformedArtifact(
            DefaultConsumerPomArtifactTransformer defaultConsumerPomArtifactTransformer,
            MavenProject project,
            Path target,
            RepositorySystemSession session,
            org.apache.maven.artifact.Artifact source,

        session.withLocalRepositories(new LocalRepository(new File("target/local-repo"), "simple"));
        session.setTransferListener(new ConsoleTransferListener());
        session.setRepositoryListener(new ConsoleRepositoryListener());

        return session.build();
    }

    public static RemoteRepository newTestRepository() throws MalformedURLException {
        return new RemoteRepository.Builder(
                        "repo",

import org.apache.maven.api.Project;
import org.apache.maven.api.Session;
import org.apache.maven.execution.ExecutionEvent;

public class DefaultEvent implements Event {
    private final InternalMavenSession session;
    private final ExecutionEvent delegate;

    public DefaultEvent(InternalMavenSession session, ExecutionEvent delegate) {
        this.session = session;
        this.delegate = delegate;
    }

    @Override

    }

    class ArtifactDeployerRequestBuilder {
        Session session;
        RemoteRepository repository;
        Collection<ProducedArtifact> artifacts;
        int retryFailedDeploymentCount;

        ArtifactDeployerRequestBuilder() {}

        @Nonnull
        public ArtifactDeployerRequestBuilder session(Session session) {
            this.session = session;
            return this;
        }

        @Nonnull

import org.eclipse.aether.spi.synccontext.SyncContextFactory;
import org.eclipse.aether.version.InvalidVersionSpecificationException;
import org.eclipse.aether.version.Version;
import org.eclipse.aether.version.VersionConstraint;
import org.eclipse.aether.version.VersionRange;
import org.eclipse.aether.version.VersionScheme;

/**
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead/
 */
@Named

    public static RepositoryRequest getRepositoryRequest(MavenSession session, MavenProject project) {
        RepositoryRequest request = new DefaultRepositoryRequest();

        request.setLocalRepository(session.getLocalRepository());
        if (project != null) {
            request.setRemoteRepositories(project.getPluginArtifactRepositories());
        }
        request.setOffline(session.isOffline());

                new DefaultArtifact("org.apache.maven.its", "dep-mng5324", "classifierB", "jar", "07.20.3-SNAPSHOT");
        requestB.setArtifact(artifactB);

        VersionResult resultB = versionResolver.resolveVersion(session, requestB);
        assertEquals("07.20.3-20120809.112920-97", resultB.getVersion());

        VersionRequest requestA = new VersionRequest();
        requestA.addRepository(newTestRepository());