&& aggregating == that.aggregating;
        }
    }

    protected final Map<Key, CacheRecord> cache = new ConcurrentHashMap<>();
    protected final Map<Key, Key> keys = new ConcurrentHashMap<>();

    @Override
    public Key createKey(
            MavenProject project,
            Collection<String> scopesToCollect,

 * existing multiset values.
 *
 * @author mike nonemacher
 */

public class ConcurrentHashMultisetBasherTest extends TestCase {

  public void testAddAndRemove_ConcurrentHashMap() throws Exception {
    testAddAndRemove(new ConcurrentHashMap<String, AtomicInteger>());
  }

  public void testAddAndRemove_ConcurrentSkipListMap() throws Exception {
    testAddAndRemove(new ConcurrentSkipListMap<String, AtomicInteger>());
  }

  private static final String TEST_KEY = "test key";
  private static final String TEST_VALUE = "test value";

  // Non-loading versions:
  private final Map<Object, Object> map = new MapMaker().makeMap(); // Returns ConcurrentHashMap
  private final Cache<Object, Object> cache = CacheBuilder.newBuilder().recordStats().build();
  private final Cache<Object, Object> cacheNoStats = CacheBuilder.newBuilder().build();

  @BeforeExperiment
  void setUp() {

 */
package org.apache.maven.artifact.handler.manager;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.artifact.handler.DefaultArtifactHandler;
import org.apache.maven.eventspy.AbstractEventSpy;

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

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.ConcurrentHashMap;

import org.apache.maven.api.di.Inject;
import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.model.Model;
import org.apache.maven.api.services.SuperPomProvider;

import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Function;
import com.google.common.testing.NullPointerTester;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CountDownLatch;
import junit.framework.TestCase;

/**
 * @author Charles Fry
 */
@GwtCompatible(emulated = true)
@J2ktIncompatible // MapMaker

import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Function;
import com.google.common.testing.NullPointerTester;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CountDownLatch;
import junit.framework.TestCase;

/**
 * @author Charles Fry
 */
@GwtCompatible(emulated = true)
@J2ktIncompatible // MapMaker

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.stream.Collectors;
import java.util.stream.Stream;

import com.google.inject.Key;
import com.google.inject.OutOfScopeException;

import javax.inject.Singleton;

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

import org.apache.maven.RepositoryUtils;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.model.Plugin;
import org.apache.maven.project.MavenProject;

        Map<Element, Element> map = new ConcurrentHashMap<>(keys.size(), 0.75f, 1);
        for (Element element : keys) {
          map.put(element, element);
        }
        return map;
      }
    },
    ConcurrentHM16 {
      @Override
      Map<Element, Element> create(Collection<Element> keys) {
        Map<Element, Element> map = new ConcurrentHashMap<>(keys.size(), 0.75f, 16);