new BuildModelTransformer(),
                new DefaultModelVersionParser(getVersionScheme()));
    }

    private RepositorySystem repositorySystem;

    public final RepositorySystem getRepositorySystem() {
        checkClosed();
        if (repositorySystem == null) {
            repositorySystem = createRepositorySystem();
        }
        return repositorySystem;
    }

        return new RepositorySystemSupplier();
    }

    @Provides
    static RepositorySystem newRepositorySystem(RepositorySystemSupplier repositorySystemSupplier) {
        return repositorySystemSupplier.getRepositorySystem();
    }

    @Provides
    static RemoteRepositoryManager newRemoteRepositoryManager(RepositorySystemSupplier repositorySystemSupplier) {
        return repositorySystemSupplier.getRemoteRepositoryManager();

            throw nsee;
        }
    }

    @Nonnull
    public RepositorySystemSession getSession() {
        return session;
    }

    @Nonnull
    public RepositorySystem getRepositorySystem() {
        return repositorySystem;
    }

    public org.eclipse.aether.graph.Dependency toDependency(DependencyCoordinate dependency, boolean managed) {
        org.eclipse.aether.graph.Dependency dep;