}

  // Since we can't pass a concrete SomeEnum.class directly, we need to use a raw type.
  @SuppressWarnings("unchecked")
  @Benchmark
  boolean getIfPresent(int repetitions) {
    boolean retVal = false;
    for (int i = 0; i < repetitions; ++i) {
      retVal &= Enums.getIfPresent(enumType, sampleData[i & 255]).isPresent();
    }
    return retVal;
  }

  private enum SmallEnum {
    X0,
    X1,
    X2
  }

        return newValue;
      } catch (Exception e) {
        throw new ExecutionException(e);
      }
    }

    @Override
    public @Nullable V getIfPresent(Object key) {
      return localCache.getIfPresent(key);
    }

    @Override
    public void put(K key, V value) {
      localCache.put(key, value);
    }

    @Override
    public void invalidate(Object key) {

   * as a result of a refresh or if the cache loader returned more items than was requested. {@code
   * missCount} may also be incremented not in conjunction with this (nor {@link
   * #loadExceptionCount}) on calls to {@code getIfPresent}.
   */
  public long loadSuccessCount() {
    return loadSuccessCount;
  }

  /**
   * Returns the number of times {@link Cache} lookup methods threw an exception while loading a new

   * as a result of a refresh or if the cache loader returned more items than was requested. {@code
   * missCount} may also be incremented not in conjunction with this (nor {@link
   * #loadExceptionCount}) on calls to {@code getIfPresent}.
   */
  public long loadSuccessCount() {
    return loadSuccessCount;
  }

  /**
   * Returns the number of times {@link Cache} lookup methods threw an exception while loading a new

      cache.invalidate(1);
      assertThat(cache.size()).isEqualTo(0);

      entry.setValue(3);
      assertThat(cache.size()).isEqualTo(1);
      assertThat(cache.getIfPresent(1)).isEqualTo(3);
      checkValidState(cache);

      assertThrows(NullPointerException.class, () -> entry.setValue(null));
      checkValidState(cache);
    }
  }

   * cached value for {@code key}.
   *
   * @since 11.0
   */
  @CanIgnoreReturnValue // TODO(b/27479612): consider removing this?
  @Nullable V getIfPresent(@CompatibleWith("K") Object key);

  /**
   * Returns the value associated with {@code key} in this cache, obtaining that value from {@code

      cache.invalidate(1);
      assertThat(cache.size()).isEqualTo(0);

      entry.setValue(3);
      assertThat(cache.size()).isEqualTo(1);
      assertThat(cache.getIfPresent(1)).isEqualTo(3);
      checkValidState(cache);

      assertThrows(NullPointerException.class, () -> entry.setValue(null));
      checkValidState(cache);
    }
  }

    assertThat(cache.getIfPresent(key)).isSameInstanceAs(one);
    stats = cache.stats();
    assertThat(stats.missCount()).isEqualTo(1);
    assertThat(stats.loadSuccessCount()).isEqualTo(1);
    assertThat(stats.loadExceptionCount()).isEqualTo(0);
    assertThat(stats.hitCount()).isEqualTo(1);

    ticker.advance(1, MILLISECONDS);
    assertThat(cache.getIfPresent(key)).isSameInstanceAs(two);

    assertThat(cache.getIfPresent(key)).isSameInstanceAs(one);
    stats = cache.stats();
    assertThat(stats.missCount()).isEqualTo(1);
    assertThat(stats.loadSuccessCount()).isEqualTo(1);
    assertThat(stats.loadExceptionCount()).isEqualTo(0);
    assertThat(stats.hitCount()).isEqualTo(1);

    ticker.advance(1, MILLISECONDS);
    assertThat(cache.getIfPresent(key)).isSameInstanceAs(two);

    private LocalManualCache(LocalCache<K, V> localCache) {
      this.localCache = localCache;
    }

    // Cache methods

    @Override
    public @Nullable V getIfPresent(Object key) {
      return localCache.getIfPresent(key);
    }

    @Override
    public V get(K key, Callable<? extends V> valueLoader) throws ExecutionException {
      checkNotNull(valueLoader);
      return localCache.get(