*/

package com.google.common.cache;

import static com.google.common.truth.Truth.assertThat;

import com.google.common.cache.AbstractCache.SimpleStatsCounter;
import com.google.common.cache.AbstractCache.StatsCounter;
import com.google.common.collect.ImmutableList;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
import junit.framework.TestCase;

     * it may be interleaved with update operations.
     */
    CacheStats snapshot();
  }

  /**
   * A thread-safe {@link StatsCounter} implementation for use by {@link Cache} implementors.
   *
   * @since 10.0
   */
  public static final class SimpleStatsCounter implements StatsCounter {
    private final LongAddable hitCount = LongAddables.create();
    private final LongAddable missCount = LongAddables.create();

     * it may be interleaved with update operations.
     */
    CacheStats snapshot();
  }

  /**
   * A thread-safe {@link StatsCounter} implementation for use by {@link Cache} implementors.
   *
   * @since 10.0
   */
  public static final class SimpleStatsCounter implements StatsCounter {
    private final LongAddable hitCount = LongAddables.create();
    private final LongAddable missCount = LongAddables.create();