Timestamped<V> value = cachingHashMap.get(key);

    if (value == null) {
      statsCounter.recordMisses(1);
      return null;
    } else if (!isExpired(value)) {
      statsCounter.recordHits(1);
      value.updateTimestamp();
      return value.getValue();
    } else {
      statsCounter.recordEviction();
      statsCounter.recordMisses(1);
      // `key` was in the cache, so it's a K.

 */

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();

   *   https://github.com/google/guava/issues/6565
   */
  @SuppressWarnings("AnonymousToLambda")
  static final Supplier<StatsCounter> CACHE_STATS_COUNTER =
      new Supplier<StatsCounter>() {
        @Override
        public StatsCounter get() {
          return new SimpleStatsCounter();
        }
      };

  enum NullListener implements RemovalListener<Object, Object> {
    INSTANCE;

     * 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();

    /** Accumulates cache statistics. */
    final StatsCounter statsCounter;

    Segment(
        LocalCache<K, V> map,
        int initialCapacity,
        long maxSegmentWeight,
        StatsCounter statsCounter) {
      this.map = map;
      this.maxSegmentWeight = maxSegmentWeight;
      this.statsCounter = checkNotNull(statsCounter);
      initTable(newEntryArray(initialCapacity));

   *   https://github.com/google/guava/issues/6565
   */
  @SuppressWarnings("AnonymousToLambda")
  static final Supplier<StatsCounter> CACHE_STATS_COUNTER =
      new Supplier<StatsCounter>() {
        @Override
        public StatsCounter get() {
          return new SimpleStatsCounter();
        }
      };

  enum NullListener implements RemovalListener<Object, Object> {
    INSTANCE;