new DefaultTypeProvider().types().forEach(stereotypes::add);
        return stereotypes;
    }

    protected ArtifactDescriptorPolicy getArtifactDescriptorPolicy() {
        return new SimpleArtifactDescriptorPolicy(true, true);
    }

    protected void configureSessionBuilder(SessionBuilder session) {
        session.setDependencyTraverser(getDependencyTraverser());

    }

    private int getPolicy(RepositorySystemSession session, Artifact a, ArtifactDescriptorRequest request) {
        ArtifactDescriptorPolicy policy = session.getArtifactDescriptorPolicy();
        if (policy == null) {
            return ArtifactDescriptorPolicy.STRICT;
        }
        return policy.getPolicy(session, new ArtifactDescriptorPolicyRequest(a, request.getRequestContext()));