private final Artifact artifact;

    VersionsMetadata(Artifact artifact, Date timestamp) {
        super(createRepositoryMetadata(artifact), (Path) null, timestamp);
        this.artifact = artifact;
    }

    VersionsMetadata(Artifact artifact, Path path, Date timestamp) {
        super(createRepositoryMetadata(artifact), path, timestamp);
        this.artifact = artifact;
    }

    void testArtifact(Artifact node);

    void startProcessChildren(Artifact artifact);

    void endProcessChildren(Artifact artifact);

    void includeArtifact(Artifact artifact);

    void omitForNearer(Artifact omitted, Artifact kept);

    void updateScope(Artifact artifact, String scope);

    @Deprecated
    void manageArtifact(Artifact artifact, Artifact replacement);

    public void updateScopeCurrentPom(Artifact artifact, String scope) {}

    @Override
    public void updateScope(Artifact artifact, String scope) {}

    @Override
    public void manageArtifact(Artifact artifact, Artifact replacement) {}

    @Override
    public void selectVersionFromRange(Artifact artifact) {}

    @Override
    public void restrictRange(Artifact artifact, Artifact replacement, VersionRange newRange) {}

 * under the License.
 */
package org.apache.maven.plugin.internal;

import org.apache.maven.plugin.PluginValidationManager;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.resolution.ArtifactDescriptorResult;

import static java.util.Objects.requireNonNull;

/**
 * Service responsible for validating plugin dependencies.
 *
 * @since 3.9.2
 */

import java.util.List;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.DefaultRepositoryRequest;
import org.apache.maven.artifact.repository.RepositoryRequest;
import org.apache.maven.artifact.repository.metadata.ArtifactRepositoryMetadata;
import org.apache.maven.artifact.repository.metadata.Metadata;

import javax.inject.Singleton;

import java.util.List;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.plugin.descriptor.PluginDescriptor;

/**
 * DefaultMavenPluginValidator
 */
@Named
@Singleton
class DefaultMavenPluginValidator implements MavenPluginValidator {

    @Override
    public void validate(Artifact pluginArtifact, PluginDescriptor pluginDescriptor, List<String> errors) {

import org.apache.maven.api.Type;
import org.apache.maven.api.services.TypeRegistry;
import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.artifact.handler.DefaultArtifactHandler;
import org.apache.maven.eventspy.AbstractEventSpy;
import org.apache.maven.execution.ExecutionEvent;

import static java.util.Objects.requireNonNull;

/**
 */
@Named
@Singleton

~~ under the License.

 -----
 Introduction
 -----
 Hervé Boutemy
 -----
 2012-09-29
 -----

Maven Artifact Resolver Provider

 Maven Artifact Resolver Provider is a {{{/resolver/}Maven Artifact Resolver}} extension to support
 Maven POMs and local+remote repositories.

 Main component is <<<MavenRepositorySystemUtils>>>

     */
    void deploy(@Nonnull ArtifactDeployerRequest request);

    /**
     * @param session the repository session
     * @param repository the repository to deploy to
     * @param artifacts the collection of artifacts to deploy
     * @throws ArtifactDeployerException if the deployment failed
     * @throws IllegalArgumentException if an argument is {@code null} or invalid
     */
    default void deploy(

 * under the License.
 */
package org.apache.maven.artifact.versioning;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.WeakHashMap;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.DefaultArtifact;

/**
 * Construct a version range from a specification.