static final class WeakKeyWeakValueSegment<K, V>
      extends Segment<K, V, WeakKeyWeakValueEntry<K, V>, WeakKeyWeakValueSegment<K, V>> {
    private final ReferenceQueue<K> queueForKeys = new ReferenceQueue<>();
    private final ReferenceQueue<V> queueForValues = new ReferenceQueue<>();

    WeakKeyWeakValueSegment(
        MapMakerInternalMap<K, V, WeakKeyWeakValueEntry<K, V>, WeakKeyWeakValueSegment<K, V>> map,

import java.lang.ref.PhantomReference;
import java.lang.ref.ReferenceQueue;
import org.jspecify.annotations.Nullable;

/**
 * Phantom reference with a {@code finalizeReferent()} method which a background thread invokes
 * after the garbage collector reclaims the referent. This is a simpler alternative to using a
 * {@link ReferenceQueue}.
 *

    private static final ResourceManager INSTANCE = new ResourceManager();

    private final Map<String, ResourceHolder> activeResources = new ConcurrentHashMap<>();
    private final ReferenceQueue<AutoCloseable> referenceQueue = new ReferenceQueue<>();
    private final AtomicLong resourceIdCounter = new AtomicLong();
    private final AtomicLong totalAllocated = new AtomicLong();
    private final AtomicLong totalReleased = new AtomicLong();

import com.google.common.annotations.J2ktIncompatible;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.WeakReference;
import org.jspecify.annotations.Nullable;

/**
 * Weak reference with a {@code finalizeReferent()} method which a background thread invokes after
 * the garbage collector reclaims the referent. This is a simpler alternative to using a {@link
 * ReferenceQueue}.
 *
 * @author Bob Lee
 * @since 2.0
 */
@J2ktIncompatible

 * the License.
 */

package com.google.common.base.internal;

import java.lang.ref.PhantomReference;
import java.lang.ref.Reference;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.WeakReference;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.logging.Level;
import java.util.logging.Logger;

import java.io.Closeable;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.lang.ref.PhantomReference;
import java.lang.ref.Reference;
import java.lang.ref.ReferenceQueue;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jspecify.annotations.Nullable;

/**

import java.io.Closeable;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.lang.ref.Cleaner;
import java.lang.ref.Cleaner.Cleanable;
import java.lang.ref.Reference;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.WeakReference;
import java.net.ServerSocket;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;

    final AtomicReferenceArray<@Nullable ArrayReference<? extends L>> locks;
    final Supplier<L> supplier;
    final int size;
    final ReferenceQueue<L> queue = new ReferenceQueue<>();

    SmallLazyStriped(int stripes, Supplier<L> supplier) {
      super(stripes);
      this.size = (mask == ALL_SET) ? Integer.MAX_VALUE : mask + 1;

    WeightedWeakValueReference(
        ReferenceQueue<V> queue, V referent, ReferenceEntry<K, V> entry, int weight) {
      super(queue, referent, entry);
      this.weight = weight;
    }

    @Override
    public int getWeight() {
      return weight;
    }

    @Override
    public ValueReference<K, V> copyFor(
        ReferenceQueue<V> queue, V value, ReferenceEntry<K, V> entry) {

import com.google.common.util.concurrent.SettableFuture;
import com.google.common.util.concurrent.UncheckedExecutionException;
import java.io.Serializable;
import java.lang.ref.Reference;
import java.lang.ref.ReferenceQueue;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;