return desc;
            }
        }
        return null;
    }

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

    public ClassRealm getClassRealm() {
        return classRealm;
    }

    public void setIntroducedDependencyArtifacts(Set<Artifact> introducedDependencyArtifacts) {

        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;

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...

import org.codehaus.plexus.DefaultPlexusContainer;
import org.codehaus.plexus.PlexusContainer;
import org.codehaus.plexus.classworlds.ClassWorld;
import org.codehaus.plexus.classworlds.realm.ClassRealm;
import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.RepositorySystemSession.CloseableSession;
import org.eclipse.aether.artifact.Artifact;

        <configuration>
          <parameter>
            <includes>
              <include>org.apache.maven.artifact</include>
              <include>org.apache.maven.classrealm</include>
              <include>org.apache.maven.cli</include>
              <include>org.apache.maven.configuration</include>
              <include>org.apache.maven.exception</include>