* <li>Check Local Repository: Maven first checks if the artifact is available in the local repository.</li>
 * <li>Check Remote Repositories: If the artifact is not found locally, Maven queries the configured remote repositories in the order they are listed.</li>
 * <li>Download and Cache: If Maven finds the artifact in a remote repository, it downloads it and stores it in the local repository for future use.</li>
 * </ol>

        return Collections.emptyList();
    }

    @Override
    public Artifact transformArtifact(Artifact artifact) {
        return artifact;
    }

    @Override
    public Collection<? extends Metadata> finish(Collection<? extends Artifact> artifacts) {
        for (Artifact artifact : artifacts) {

     * configured update policy.
     *
     * @return {@code true} if remote repositories should be re-checked for updated artifacts/metadata, {@code false}
     *         otherwise.
     */
    boolean isForceUpdate();

    /**
     * Enables/disabled forced checks for updated artifacts/metadata on remote repositories.
     *

                    snapshots.put(key, snapshotMetadata);
                }
                snapshotMetadata.bind(artifact);
            }
        }

        return snapshots.values();
    }

    @Override
    public Artifact transformArtifact(Artifact artifact) {
        if (artifact.isSnapshot() && artifact.getVersion().equals(artifact.getBaseVersion())) {

 * <li><dfn>Third-Party Repositories</dfn>: Some projects or organizations host their own remote repositories for distributing specific artifacts that are not available in the central repository. These repositories must be explicitly added...

        private final Set<String> keys = new HashSet<>();

        ReactorDependencyFilter(Collection<Artifact> artifacts) {
            for (Artifact artifact : artifacts) {
                String key = ArtifactUtils.key(artifact);
                keys.add(key);
            }
        }

        @Override

    public class CacheRecord {
        private Artifact pomArtifact;
        private Artifact relocatedArtifact;
        private List<Artifact> artifacts;
        private Map<String, Artifact> managedVersions;
        private List<ArtifactRepository> remoteRepositories;

        private long length;
        private long timestamp;

        CacheRecord(
                Artifact pomArtifact,

        snapshots = new LinkedHashMap<>();
    }

    @Override
    public Collection<? extends Metadata> prepare(Collection<? extends Artifact> artifacts) {
        for (Artifact artifact : artifacts) {
            if (artifact.isSnapshot()) {
                Object key = LocalSnapshotMetadata.getKey(artifact);
                LocalSnapshotMetadata snapshotMetadata = snapshots.get(key);
                if (snapshotMetadata == null) {

package org.apache.maven.repository.internal.artifact;

import org.eclipse.aether.collection.DependencyCollectionContext;
import org.eclipse.aether.collection.DependencyTraverser;
import org.eclipse.aether.graph.Dependency;

import static java.util.Objects.requireNonNull;

/**
 * A dependency traverser that excludes the dependencies of fat artifacts from the traversal. Fat artifacts are

    public void addDependencies(
            Set<Artifact> artifacts, List<ArtifactRepository> remoteRepositories, ArtifactFilter filter)
            throws CyclicDependencyException, OverConstrainedVersionException {
        if (artifacts != null && !artifacts.isEmpty()) {
            children = new ArrayList<>(artifacts.size());

            for (Artifact a : artifacts) {
                if (parents.contains(a.getDependencyConflictId())) {