import org.apache.maven.model.Model;
import org.apache.maven.model.Plugin;
import org.codehaus.plexus.classworlds.realm.ClassRealm;
import org.eclipse.aether.artifact.Artifact;

/**
 * Manages the class realms used by Maven. <strong>Warning:</strong> This is an internal utility interface that is only
 * public for technical reasons, it is not part of the public API. In particular, this interface can be changed or
 * deleted without prior notice.
 *

import org.apache.maven.impl.DefaultModelVersionParser;
import org.apache.maven.impl.DefaultSourceRoot;
import org.apache.maven.impl.DefaultVersionParser;
import org.apache.maven.project.MavenProject;
import org.eclipse.aether.util.version.GenericVersionScheme;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

        assertEquals(expectedReference, exceptionSummary.getReference());
    }

    @Test
    void testHandleExceptionAetherClassNotFound() {
        Throwable cause2 = new NoClassDefFoundError("org/sonatype/aether/RepositorySystem");
        Plugin plugin = new Plugin();
        Exception cause = new PluginContainerException(plugin, null, null, cause2);
        PluginDescriptor pluginDescriptor = new PluginDescriptor();

import org.apache.maven.artifact.repository.metadata.RepositoryMetadata;
import org.codehaus.plexus.logging.Logger;
import org.codehaus.plexus.logging.console.ConsoleLogger;
import org.eclipse.aether.internal.impl.DefaultTrackingFileManager;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

import org.apache.maven.model.Dependency;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.Repository;
import org.apache.maven.settings.Mirror;
import org.apache.maven.settings.Server;
import org.eclipse.aether.RepositorySystemSession;

/**
 * @since 3.0-alpha
 * @deprecated Use {@link MavenRepositorySystem} if needed, or maven-resolver directly, until maven 4.x api is out
 */
@Deprecated
public interface RepositorySystem {

import org.apache.maven.logging.MavenTransferListener;
import org.apache.maven.project.MavenProject;
import org.apache.maven.toolchain.model.ToolchainModel;
import org.eclipse.aether.DefaultRepositoryCache;
import org.eclipse.aether.transfer.TransferListener;

import static java.util.Comparator.comparing;

/**
 * The Maven invoker, that expects whole Maven on classpath and invokes it.
 */

import org.apache.maven.artifact.repository.metadata.RepositoryMetadata;
import org.apache.maven.repository.Proxy;
import org.codehaus.plexus.logging.AbstractLogEnabled;
import org.codehaus.plexus.logging.Logger;
import org.eclipse.aether.internal.impl.TrackingFileManager;

/**
 * DefaultUpdateCheckManager
 */
@Named
@Singleton
@Deprecated
public class DefaultUpdateCheckManager extends AbstractLogEnabled implements UpdateCheckManager {

import org.apache.maven.project.artifact.ArtifactWithDependencies;
import org.apache.maven.settings.Mirror;
import org.apache.maven.settings.Proxy;
import org.apache.maven.settings.Server;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.sisu.Priority;

/**
 */
@Named
@Singleton
@Priority(10)
@Deprecated
public class TestRepositorySystem implements RepositorySystem {

import org.apache.maven.model.Plugin;
import org.codehaus.plexus.classworlds.ClassWorld;
import org.codehaus.plexus.classworlds.realm.ClassRealm;
import org.codehaus.plexus.classworlds.realm.DuplicateRealmException;
import org.eclipse.aether.artifact.Artifact;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Manages the class realms used by Maven. <strong>Warning:</strong> This is an internal utility class that is only

import org.apache.maven.settings.Server;
import org.apache.maven.settings.Settings;
import org.codehaus.plexus.PlexusContainer;
import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
import org.eclipse.aether.RepositorySystemSession;

import static java.util.Objects.requireNonNull;

/**
 * A Maven execution session.
 *
 */
public class MavenSession implements Cloneable {