Collections.synchronizedMap(new WeakHashMap<>());
    private final Map<org.eclipse.aether.artifact.Artifact, Artifact> allArtifacts =
            Collections.synchronizedMap(new WeakHashMap<>());
    private final Map<org.eclipse.aether.repository.RemoteRepository, RemoteRepository> allRepositories =
            Collections.synchronizedMap(new WeakHashMap<>());

import java.io.Serializable;
import java.lang.ref.WeakReference;
import java.lang.reflect.Field;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Map;
import java.util.WeakHashMap;
import javax.annotation.CheckForNull;

/**
 * Utility methods for working with {@link Enum} instances.
 *
 * @author Steve McKay
 * @since 9.0
 */
@GwtIncompatible
@J2ktIncompatible

    /**
     * 指定されたキーと値を持つ{@link WeakHashMap}を構築するための{@literal Maps}を返します。
     *
     * @param <KEY>
     *            <code>Map</code>のキーの型
     * @param <VALUE>
     *            <code>Map</code>の値ーの型
     * @param key
     *            <code>Map</code>に追加されるキー
     * @param value
     *            <code>Map</code>に追加される値
     * @return 指定されたキーと値を持つ{@link WeakHashMap}を構築するための{@literal Maps}
     */

    GcFinalization.awaitClear(ref);
    assertNull(ref.get());
  }

  public void testAwaitDone_FinalizationPredicate() {
    final WeakHashMap<Object, Object> map = new WeakHashMap<>();
    map.put(new Object(), Boolean.TRUE);
    GcFinalization.awaitDone(
        new FinalizationPredicate() {
          @Override
          public boolean isDone() {

    GcFinalization.awaitClear(ref);
    assertNull(ref.get());
  }

  public void testAwaitDone_FinalizationPredicate() {
    final WeakHashMap<Object, Object> map = new WeakHashMap<>();
    map.put(new Object(), Boolean.TRUE);
    GcFinalization.awaitDone(
        new FinalizationPredicate() {
          public boolean isDone() {
            return map.isEmpty();
          }

    }

    /**
     * {@link WeakHashMap}の新しいインスタンスを作成して返します。
     *
     * @param <K>
     *            {@link WeakHashMap}のキーの型
     * @param <V>
     *            {@link WeakHashMap}の値の型
     * @return {@link WeakHashMap}の新しいインスタンス
     * @see WeakHashMap#WeakHashMap()
     */
    public static <K, V> WeakHashMap<K, V> newWeakHashMap() {
        return new WeakHashMap<>();

import java.io.Serializable;
import java.lang.ref.WeakReference;
import java.lang.reflect.Field;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Map;
import java.util.WeakHashMap;
import javax.annotation.CheckForNull;

/**
 * Utility methods for working with {@link Enum} instances.
 *
 * @author Steve McKay
 * @since 9.0
 */
@GwtIncompatible
@J2ktIncompatible

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

import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.WeakHashMap;
import java.util.concurrent.ConcurrentHashMap;

import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.model.Build;
import org.apache.maven.api.model.BuildBase;

@Named
@Singleton
public class StringSearchModelInterpolator extends AbstractStringBasedModelInterpolator {

    private static final Map<Class<?>, Field[]> FIELDS_BY_CLASS = new WeakHashMap<>();
    private static final Map<Class<?>, Boolean> PRIMITIVE_BY_CLASS = new WeakHashMap<>();

    public StringSearchModelInterpolator() {}

    public StringSearchModelInterpolator(PathTranslator pathTranslator) {
        super(pathTranslator);
    }

            Collections.synchronizedMap(new WeakHashMap<>());
    private final Map<org.eclipse.aether.artifact.Artifact, Artifact> allArtifacts =
            Collections.synchronizedMap(new WeakHashMap<>());
    private final Map<org.eclipse.aether.repository.RemoteRepository, RemoteRepository> allRepositories =
            Collections.synchronizedMap(new WeakHashMap<>());