List<ProducedArtifact> artifacts = getArtifacts();
        return artifacts.size() == 2 ? Optional.of(artifacts.get(1)) : Optional.empty();
    }

    /**
     * {@return the project artifacts as immutable list}. Elements are the project POM artifact and the artifact
     * produced by this project build, if applicable. Hence, the returned list may have one or two elements

            Artifact artifact = createArtifact("artifact", "1.0");

            File file = new File(artifactBasedir, "artifact-1.0.jar");
            assertEquals("dummy", new String(Files.readAllBytes(file.toPath()), StandardCharsets.UTF_8).trim());

            artifactDeployer.deploy(file, artifact, remoteRepository(), localRepository());

 -----
 Introduction
 -----
 Hervé Boutemy
 -----
 2014-11-30
 -----

Maven Artifact

 Maven Artifact classes, providing <<<Artifact>>> interface ({{{./apidocs/org/apache/maven/artifact/Artifact.html}javadoc}}),
 with its <<<DefaultArtifact>>> implementation ({{{./xref/org/apache/maven/artifact/DefaultArtifact.html}source}}).

    }

    @Override
    public String getPathForLocalArtifact(Artifact artifact) {
        StringBuilder path = new StringBuilder(128);

        path.append(artifact.getGroupId()).append('/');

        path.append(artifact.getExtension()).append("s/");

        path.append(artifact.getArtifactId()).append('-').append(artifact.getVersion());

        if (!artifact.getClassifier().isEmpty()) {

    }

    @Override
    public String getPathForLocalArtifact(Artifact artifact) {
        StringBuilder path = new StringBuilder(128);

        path.append(artifact.getGroupId()).append('/');

        path.append(artifact.getExtension()).append("s/");

        path.append(artifact.getArtifactId()).append('-').append(artifact.getVersion());

        if (!artifact.getClassifier().isEmpty()) {

        PluginDescriptor pluginDescriptor = pluginDescriptorCache.get(cacheKey, () -> {
            org.eclipse.aether.artifact.Artifact artifact =
                    pluginDependenciesResolver.resolve(plugin, repositories, session);

            Artifact pluginArtifact = RepositoryUtils.toArtifact(artifact);

            PluginDescriptor descriptor = extractPluginDescriptor(pluginArtifact, plugin);

import org.apache.maven.artifact.resolver.ResolutionNode;

/**
 * Determines which version of an artifact to use when there are conflicting declarations.
 *
 */
@Deprecated
public interface ConflictResolver {
    String ROLE = ConflictResolver.class.getName();

    /**
     * Determines which of the specified versions of an artifact to use when there are conflicting declarations.
     *

    public void addArtifact(Artifact artifact) {
        if (artifacts == null) {
            artifacts = new LinkedHashSet<>();
        }

        artifacts.add(artifact);
    }

    public Set<Artifact> getArtifacts() {
        if (artifacts == null) {
            artifacts = new LinkedHashSet<>();
        }

        return artifacts;
    }

    public void setArtifacts(Set<Artifact> artifacts) {

import org.eclipse.aether.internal.impl.checksum.Sha1ChecksumAlgorithmFactory;
import org.eclipse.aether.spi.connector.checksum.ChecksumAlgorithmHelper;

/**
 * Transformed artifact is derived with some transformation from source artifact.
 *
 * @since TBD
 */
class TransformedArtifact extends DefaultArtifact {

    private static final int SHA1_BUFFER_SIZE = 8192;

 */
package org.apache.maven.project.artifact;

import java.util.List;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.metadata.ResolutionGroup;
import org.apache.maven.artifact.repository.ArtifactRepository;

/**
 * MavenMetadataCache
 */
@Deprecated
public interface MavenMetadataCache {

    ResolutionGroup get(
            Artifact artifact,
            boolean resolveManagedVersions,