import org.apache.maven.internal.CoreRealm;
import org.apache.maven.model.Model;
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;

/**

import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.ConcurrentHashMap;

import org.codehaus.plexus.classworlds.realm.ClassRealm;
import org.codehaus.plexus.classworlds.realm.NoSuchRealmException;
import org.codehaus.plexus.personality.plexus.lifecycle.phase.Disposable;
import org.eclipse.aether.graph.DependencyFilter;

/**

import org.apache.maven.artifact.Artifact;
import org.apache.maven.project.ExtensionDescriptor;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.classworlds.realm.ClassRealm;
import org.codehaus.plexus.classworlds.realm.NoSuchRealmException;
import org.codehaus.plexus.personality.plexus.lifecycle.phase.Disposable;

/**
 * Default extension realm cache implementation. Assumes cached data does not change.

#*      *##set ( $project.url = 'https://github.com/google/guice/' )
#*    *##end
#*    *###
#*    *### Classworlds is in boot directory, not in lib
#*    *##if ( $project.artifact.artifactId == "plexus-classworlds" )
#*      *##set ( $directory = 'boot' )
#*    *##end
#*    *###
#*    *### copy license file to lib/$artifactId.license

            LookupInvoker<C> invoker, C context, CoreExtensionSelector<C> coreExtensionSelector) throws Exception {
        ClassWorld classWorld = requireNonNull(invoker.protoLookup.lookup(ClassWorld.class), "classWorld");
        ClassRealm coreRealm = classWorld.getClassRealm("plexus.core");
        List<Path> extClassPath = parseExtClasspath(context);

    <exportedPackage>org.eclipse.aether.util</exportedPackage>

    <!-- plexus-classworlds -->
    <exportedPackage>org.codehaus.plexus.classworlds</exportedPackage>

    <!-- classworlds (for legacy code) -->
    <exportedPackage>org.codehaus.classworlds</exportedPackage>

    <!-- plexus-utils (for DOM-type fields in maven-model) -->

      <includes>
        <include>org.codehaus.plexus:plexus-classworlds</include>
      </includes>
    </dependencySet>
    <dependencySet>
      <useProjectArtifact>false</useProjectArtifact>
      <outputDirectory>lib</outputDirectory>
      <excludes>
        <exclude>org.codehaus.plexus:plexus-classworlds</exclude>
      </excludes>
    </dependencySet>
  </dependencySets>
  <fileSets>

import org.apache.maven.cling.invoker.mvnup.UpgradeParser;
import org.codehaus.plexus.classworlds.ClassWorld;

/**
 * Maven upgrade CLI "new-gen".
 */
public class MavenUpCling extends ClingSupport {
    /**
     * "Normal" Java entry point. Note: Maven uses ClassWorld Launcher and this entry point is NOT used under normal
     * circumstances.
     */

 -----
 The Maven Team
 -----

Maven plugin execution isolation

 Maven2 takes advantage of Plexus' ability to execute a component using a
 ClassWorlds ClassRealm that is populated with the JAR containing the
 component in question and all of its dependencies. Using ClassWorlds
 notation for realms we have the following:

+-----+
      [plexus.core]
            ^
            |
   [plexus.core.maven]
     ^            ^

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * 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 {