/**
 * @since 3.0-alpha
 * @deprecated Use {@link MavenRepositorySystem} if needed, or maven-resolver directly, until maven 4.x api is out
 */
@Deprecated
public interface RepositorySystem {
    String DEFAULT_LOCAL_REPO_ID = MavenRepositorySystem.DEFAULT_LOCAL_REPO_ID;

    @SuppressWarnings("checkstyle:constantname")
    String userHome = System.getProperty("user.home");

    @SuppressWarnings("checkstyle:ParameterNumber")
    public DefaultSessionFactory(
            RepositorySystem repositorySystem,
            MavenRepositorySystem mavenRepositorySystem,
            Lookup lookup,
            RuntimeInformation runtimeInformation) {
        this.repositorySystem = repositorySystem;
        this.mavenRepositorySystem = mavenRepositorySystem;
        this.lookup = lookup;

@Named
@Singleton
public class DefaultVersionRangeResolver implements VersionRangeResolver {

    private final RepositorySystem repositorySystem;

    @Inject
    public DefaultVersionRangeResolver(RepositorySystem repositorySystem) {
        this.repositorySystem = repositorySystem;
    }

    @Override
    public VersionRangeResolverResult resolve(VersionRangeResolverRequest request)

@Named
@Singleton
public class DefaultArtifactInstaller implements ArtifactInstaller {

    private final RepositorySystem repositorySystem;

    @Inject
    DefaultArtifactInstaller(@Nonnull RepositorySystem repositorySystem) {
        this.repositorySystem = nonNull(repositorySystem);
    }

    @Override
    public void install(ArtifactInstallerRequest request) throws ArtifactInstallerException, IllegalArgumentException {

import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

@PlexusTest
class TestApi {

    Session session;

    @Inject
    RepositorySystem repositorySystem;

    @Inject
    org.apache.maven.project.ProjectBuilder projectBuilder;

    @Inject
    MavenRepositorySystem mavenRepositorySystem;

    @Inject

@Named
@Singleton
public class DefaultArtifactInstaller implements ArtifactInstaller {

    private final RepositorySystem repositorySystem;

    @Inject
    DefaultArtifactInstaller(@Nonnull RepositorySystem repositorySystem) {
        this.repositorySystem = nonNull(repositorySystem);
    }

    @Override
    public void install(ArtifactInstallerRequest request) throws ArtifactInstallerException, IllegalArgumentException {

            RepositorySystem repositorySystem;
            try {
                repositorySystem = container.lookup(RepositorySystem.class);
            } catch (ComponentLookupException e) {
                throw new IllegalStateException("Unable to lookup " + RepositorySystem.class.getName());
            }

            if (mirrors) {
                repositorySystem.injectMirror(session, repositories);

    @Inject
    public DefaultProjectDependenciesResolver(
            RepositorySystem repositorySystem, ResolutionErrorHandler resolutionErrorHandler) {
        this.repositorySystem = repositorySystem;
        this.resolutionErrorHandler = resolutionErrorHandler;
    }

    public Set<Artifact> resolve(MavenProject project, Collection<String> scopesToResolve, MavenSession session)

    private final RepositorySystem repositorySystem;
    private final MetadataReader metadataReader;

    @Inject
    public DefaultPluginPrefixResolver(
            BuildPluginManager pluginManager, RepositorySystem repositorySystem, MetadataReader metadataReader) {
        this.pluginManager = pluginManager;
        this.repositorySystem = repositorySystem;
        this.metadataReader = metadataReader;
    }

@Named
@Singleton
public class DefaultVersionResolver implements VersionResolver {

    private final RepositorySystem repositorySystem;

    @Inject
    public DefaultVersionResolver(RepositorySystem repositorySystem) {
        this.repositorySystem = repositorySystem;
    }

    @Override
    public VersionResolverResult resolve(VersionResolverRequest request) throws VersionResolverException {