return desc;
            }
        }
        return null;
    }

    public void setClassRealm(ClassRealm classRealm) {
        this.classRealm = classRealm;
    }

    public ClassRealm getClassRealm() {
        return classRealm;
    }

    public void setIntroducedDependencyArtifacts(Set<Artifact> introducedDependencyArtifacts) {

 * under the License.
 */
package org.apache.maven.classrealm;

import org.codehaus.plexus.classworlds.realm.ClassRealm;

/**
 * ClassRealmManagerDelegate is used to perform addition configuration of
 * class realms created by ClassRealmManager.
 *
 */
public interface ClassRealmManagerDelegate {

    void setupRealm(ClassRealm classRealm, ClassRealmRequest request);

        return jars;
    }

    protected ClassRealm setupContainerRealm(
            Logger logger,
            ClassWorld classWorld,
            ClassRealm coreRealm,
            List<Path> extClassPath,
            List<CoreExtensionEntry> extensions)
            throws Exception {
        if (!extClassPath.isEmpty() || !extensions.isEmpty()) {
            ClassRealm extRealm = classWorld.newRealm("maven.ext", null);

        }

        ClassRealm classRealm = newRealm(baseRealmId);

        if (parent != null) {
            classRealm.setParentClassLoader(parent);
        }

        callDelegates(classRealm, type, parent, parentImports, foreignImports, constituents);

        wireRealm(classRealm, parentImports, foreignImports);

        populateRealm(classRealm, constituents);

        return classRealm;

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

import java.util.List;
import java.util.Map;

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;

/**

import org.codehaus.plexus.classworlds.realm.ClassRealm;

/**
 * Provides information about artifacts (identified by groupId:artifactId string key) and classpath elements exported by
 * Maven core itself or a Maven core extension.
 *
 * @since 3.3.0
 */
public class CoreExtensionEntry {
    private final ClassRealm realm;

    private final Set<String> artifacts;

import org.codehaus.plexus.classworlds.realm.ClassRealm;

/**
 * Access to core {@link ClassRealm}.
 *
 * @since 4.0.0
 */
@Experimental
public interface CoreRealm {

    /**
     * Obtain the {@link ClassRealm} used for Maven Core.
     *
     * @return the class realm of core.
     */
    @Nonnull
    ClassRealm getRealm();

    /**

import org.codehaus.plexus.classworlds.realm.ClassRealm;

@Named
@Singleton
public class DefaultCoreRealm implements CoreRealm {

    private final PlexusContainer container;

    @Inject
    public DefaultCoreRealm(PlexusContainer container) {
        this.container = container;
    }

    @Override
    public ClassRealm getRealm() {
        return container.getContainerRealm();
    }

plugin artifact and its dependency artifacts will be loaded in an isolated ClassRealm which is simply an extension of the standard URLClassLoader. Mercury would be responsible for resolving and retrieving the dependencies which would then be used to populate a ClassRealm where there would be a connection to the host applications ClassRealm as the parent but the search order would be child first, and the parent ClassRealm can optionally choose to limit the searching to particular classes. The application...

 */
package org.apache.maven.extension.internal;

import java.util.Collections;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import org.codehaus.plexus.classworlds.realm.ClassRealm;

import static java.util.function.Function.identity;
import static java.util.stream.Collectors.collectingAndThen;
import static java.util.stream.Collectors.toMap;

/**