if (relativeSource.isAbsolute()) {
            throw new IllegalArgumentException("Supplied URI is not relative");
        }
        URI source = baseURI.resolve(relativeSource);
        if (!source.toASCIIString().startsWith(baseURI.toASCIIString())) {
            throw new IllegalArgumentException("Supplied relative URI escapes baseUrl");
        }
        GetTask getTask = new GetTask(source);

@Singleton
public class DefaultArtifactResolver implements ArtifactResolver {

    @Override
    public ArtifactResolverResult resolve(ArtifactResolverRequest request)
            throws ArtifactResolverException, IllegalArgumentException {
        nonNull(request, "request");
        InternalSession session = InternalSession.from(request.getSession());
        try {
            Map<Artifact, Path> paths = new HashMap<>();

                new org.eclipse.aether.repository.RemoteRepository.Builder(id, "default", url).build());
    }

    @Override
    public RemoteRepository createRemote(Repository repository) throws IllegalArgumentException {
        return new DefaultRemoteRepository(new org.eclipse.aether.repository.RemoteRepository.Builder(
                        repository.getId(), repository.getLayout(), repository.getUrl())

            return repositories;
        } else if (resolverRepositories != null) {
            return map(resolverRepositories, DefaultRemoteRepository::new);
        } else {
            throw new IllegalArgumentException("no remote repositories provided");
        }
    }

    @Nonnull
    @Override
    public List<RemoteRepository> getRemoteRepositories() {
        return Collections.unmodifiableList(repositories);