DependencyFilter filter) {
        for (DependencyNode node : nodes) {
            org.apache.maven.artifact.Artifact artifact = toArtifact(node.getDependency());

            List<String> nodeTrail = new ArrayList<>(trail.size() + 1);
            nodeTrail.addAll(trail);
            nodeTrail.add(artifact.getId());

            if (filter == null || filter.accept(node, Collections.emptyList())) {

import org.eclipse.aether.internal.impl.collect.df.DfDependencyCollector;
import org.eclipse.aether.internal.impl.filter.DefaultRemoteRepositoryFilterManager;
import org.eclipse.aether.internal.impl.filter.GroupIdRemoteRepositoryFilterSource;
import org.eclipse.aether.internal.impl.filter.PrefixesRemoteRepositoryFilterSource;
import org.eclipse.aether.internal.impl.resolution.TrustedChecksumsArtifactResolverPostProcessor;

import java.util.Arrays;
import java.util.Collections;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.filter.ExcludesArtifactFilter;
import org.apache.maven.repository.DelegatingLocalArtifactRepository;
import org.apache.maven.repository.RepositorySystem;
import org.apache.maven.repository.TestRepositorySystem;

        InternalSession session =
                InternalSession.from(nonNull(request, "request").getSession());
        Predicate<PathType> filter = request.getPathTypeFilter();
        PathModularizationCache cache = new PathModularizationCache(); // TODO: should be project-wide cache.
        DependencyCollectorResult collectorResult =

                            session.toRepositories(session.getRemoteRepositories()),
                            null));

            Map<String, ArtifactRepository> repos = res.getVersions().stream()
                    .filter(v -> res.getRepository(v) != null)
                    .collect(Collectors.toMap(v -> v.toString(), res::getRepository));

            return new VersionRangeResolverResult() {
                @Override

         * processes one artifact at a time and hence cannot associate the artifacts from the same project to use the
         * same timestamp+buildno for the snapshot versions. Allowing the caller to pass in metadata from a previous
         * deployment allows to re-establish the association between the artifacts of the same project.
         */
        for (Metadata metadata : request.getMetadata()) {

     */
    public Model get(String groupId, String artifactId, String version) {
        return modelsByGa.getOrDefault(new GAKey(groupId, artifactId), Collections.emptySet()).stream()
                .filter(m -> version == null || version.equals(getVersion(m)))
                .reduce((a, b) -> {
                    throw new IllegalStateException(

     *
     * @param node the dependency node
     * @param dep the dependency for the given node, or {@code null} if none
     * @param filter filter the paths accepted by the tool which will consume the path.
     * @param path the path to the dependency, or {@code null} if the dependency was null
     * @param cache cache of module information about each dependency

     */
    @Nullable
    Path getPath();

    /**
     * Creates a new byte stream to the source contents.
     * Closing the returned stream is the responsibility of the caller.
     *
     * @return a byte stream to the source contents, never {@code null}
     * @throws IOException in case of IO issue
     */
    @Nonnull
    InputStream openStream() throws IOException;

    /**

        requireNonNull(readers, "readers");
        // skip possible null entries
        this.readers = Collections.unmodifiableList(
                new ArrayList<>(readers.stream().filter(Objects::nonNull).collect(Collectors.toList())));
        Key key = new Key(this.readers);
        this.repository = new WorkspaceRepository(key.getContentType(), key);
    }