ArtifactRepository localRepository = localRepository();

        Artifact a = createRemoteArtifact("a", "0.0.1-SNAPSHOT");
        RepositoryMetadata metadata = new ArtifactRepositoryMetadata(a);

        File file = new File(
                localRepository.getBasedir(), localRepository.pathOfLocalRepositoryMetadata(metadata, localRepository));
        file.delete();

    void testResolutionOfASingleArtifactWhereTheArtifactIsPresentInTheLocalRepository() throws Exception {
        Artifact a = createLocalArtifact("a", "1.0");

        artifactResolver.resolve(a, remoteRepositories(), localRepository());

        assertLocalArtifactPresent(a);
    }

    @Test
    void testResolutionOfASingleArtifactWhereTheArtifactIsNotPresentLocallyAndMustBeRetrievedFromTheRemoteRepository()
            throws Exception {

        return baseMessage;
    }

    private static String format(LocalRepository localRepository, List<RemoteRepository> remoteRepositories) {
        StringBuilder repos = new StringBuilder("[");

        if (localRepository != null) {
            repos.append(localRepository.getId())
                    .append(" (")
                    .append(localRepository.getBasedir())
                    .append(")");
        }

            InternalSession session, LocalRepository local) {
        org.eclipse.aether.repository.LocalRepository repository = session.toRepository(local);
        if ("enhanced".equals(repository.getContentType())) {
            repository = new org.eclipse.aether.repository.LocalRepository(repository.getBasePath(), "");
        }

            throws ArtifactResolutionException, ArtifactNotFoundException {
        for (ArtifactTransformation transform : artifactTransformations) {
            transform.transformForResolve(artifact, remoteRepositories, localRepository);
        }
    }

    public void transformForInstall(Artifact artifact, ArtifactRepository localRepository)

    }

    @Override
    public ResolutionGroup retrieve(
            Artifact artifact, ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories)
            throws ArtifactMetadataRetrievalException {
        return delegate.retrieve(artifact, localRepository, remoteRepositories);
    }

    @Override
    public List<ArtifactVersion> retrieveAvailableVersions(MetadataResolutionRequest request)

    List<ArtifactVersion> retrieveAvailableVersions(
            Artifact artifact, ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories)
            throws ArtifactMetadataRetrievalException;

    List<ArtifactVersion> retrieveAvailableVersionsFromDeploymentRepository(
            Artifact artifact, ArtifactRepository localRepository, ArtifactRepository remoteRepository)
            throws ArtifactMetadataRetrievalException;

        return this;
    }

    public ArtifactRepository getLocalRepository() {
        return localRepository;
    }

    public DefaultRepositoryRequest setLocalRepository(ArtifactRepository localRepository) {
        this.localRepository = localRepository;

        return this;
    }

    public List<ArtifactRepository> getRemoteRepositories() {

import javax.inject.Inject;

import java.nio.file.Path;

import org.apache.maven.api.LocalRepository;
import org.apache.maven.api.annotations.Nonnull;

import static org.apache.maven.internal.impl.Utils.nonNull;

public class DefaultLocalRepository implements LocalRepository {

    private final @Nonnull org.eclipse.aether.repository.LocalRepository repository;

    @Inject

                new ChainedDependencyGraphTransformer(transformer, new ManagedDependencyContextRefiner(scopeManager));
        session.setDependencyGraphTransformer(transformer);

        LocalRepository localRepo = new LocalRepository(localRepository().getBasedir());
        session.setLocalRepositoryManager(new SimpleLocalRepositoryManagerFactory().newInstance(session, localRepo));
        return session;
    }