private final Date timestamp;

    VersionsMetadataGenerator(RepositorySystemSession session, InstallRequest request) {
        this(session, request.getMetadata());
    }

    VersionsMetadataGenerator(RepositorySystemSession session, DeployRequest request) {
        this(session, request.getMetadata());
    }

    private VersionsMetadataGenerator(RepositorySystemSession session, Collection<? extends Metadata> metadatas) {

import org.codehaus.plexus.classworlds.realm.ClassRealm;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.repository.RemoteRepository;

/**
 */
public interface BuildPluginManager {
    // igorf: Way too many declared exceptions!
    PluginDescriptor loadPlugin(Plugin plugin, List<RemoteRepository> repositories, RepositorySystemSession session)

        }

        return this;
    }

    @Override
    public RepositorySystemSession getRepositorySession() {
        return session;
    }

    @Override
    public DefaultPluginVersionRequest setRepositorySession(RepositorySystemSession session) {
        this.session = session;

        return this;
    }

 * specific language governing permissions and limitations
 * 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;

/**

import org.apache.maven.api.services.Source;
import org.apache.maven.api.services.Sources;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.artifact.ProjectArtifact;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.artifact.DefaultArtifact;
import org.eclipse.aether.deployment.DeployRequest;
import org.eclipse.aether.installation.InstallRequest;

            result.setAvailable(true);
        }

        return result;
    }

    @Override
    public void add(RepositorySystemSession session, LocalArtifactRegistration request) {
        // noop
    }

    @Override
    public LocalMetadataResult find(RepositorySystemSession session, LocalMetadataRequest request) {
        LocalMetadataResult result = new LocalMetadataResult(request);

        String path;

            result.setAvailable(true);
        }

        return result;
    }

    @Override
    public void add(RepositorySystemSession session, LocalArtifactRegistration request) {
        // noop
    }

    @Override
    public LocalMetadataResult find(RepositorySystemSession session, LocalMetadataRequest request) {
        LocalMetadataResult result = new LocalMetadataResult(request);

        String path;

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.plugin.internal;

import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.resolution.ArtifactDescriptorResult;

/**
 * Service responsible for validating plugin dependencies.
 *
 * @since 3.9.3
 */

     */
    RepositorySystemSession getRepositorySession();

    /**
     * Sets the session to use for repository access.
     *
     * @param repositorySession The repository session to use.
     * @return This request for chaining, never {@code null}.
     */
    DependencyResolutionRequest setRepositorySession(RepositorySystemSession repositorySession);

import org.codehaus.plexus.classworlds.realm.ClassRealm;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.repository.RemoteRepository;

/**
 */
public class BuildPluginManagerStub implements BuildPluginManager {

    @Override
    public PluginDescriptor loadPlugin(
            Plugin plugin, List<RemoteRepository> repositories, RepositorySystemSession session) {
        return null;
    }

    @Override