return dependencies == null ? null : map(dependencies, d -> toDependency(d, managed));
    }

    static List<RemoteRepository> getRepositories(
            List<RemoteRepository> repositories,
            List<org.eclipse.aether.repository.RemoteRepository> resolverRepositories) {
        if (repositories != null) {
            return repositories;

        return dependencies == null ? null : map(dependencies, d -> toDependency(d, managed));
    }

    @Override
    public abstract org.eclipse.aether.graph.Dependency toDependency(DependencyCoordinate dependency, boolean managed);

    @Override
    public List<org.eclipse.aether.artifact.Artifact> toArtifacts(Collection<Artifact> artifacts) {
        return artifacts == null ? null : map(artifacts, this::toArtifact);
    }