*/
  public static CacheBuilder<Object, Object> newBuilder() {
    return new CacheBuilder<>();
  }

  /**
   * Constructs a new {@code CacheBuilder} instance with the settings specified in {@code spec}.
   *
   * @since 12.0
   */
  @GwtIncompatible // To be supported
  public static CacheBuilder<Object, Object> from(CacheBuilderSpec spec) {
    return spec.toCacheBuilder().lenientParsing();

   * occur when using {@link CacheBuilder#weakKeys}, {@link CacheBuilder#weakValues}, or {@link
   * CacheBuilder#softValues}.
   */
  COLLECTED {
    @Override
    boolean wasEvicted() {
      return true;
    }
  },

  /**
   * The entry's expiration timestamp has passed. This can occur when using {@link
   * CacheBuilder#expireAfterWrite} or {@link CacheBuilder#expireAfterAccess}.
   */
  EXPIRED {

  @Override
  protected void setUp() {
    listener = queuingRemovalListener();
  }

  public void testGet() {
    Object computed = new Object();
    LoadingCache<Object, Object> cache =
        CacheBuilder.newBuilder()
            .maximumSize(0)
            .removalListener(listener)
            .build(constantLoader(computed));

    Object key = new Object();
    assertSame(computed, cache.getUnchecked(key));

  @Override
  protected void setUp() {
    listener = queuingRemovalListener();
  }

  public void testGet() {
    Object computed = new Object();
    LoadingCache<Object, Object> cache =
        CacheBuilder.newBuilder()
            .maximumSize(0)
            .removalListener(listener)
            .build(constantLoader(computed));

    Object key = new Object();
    assertSame(computed, cache.getUnchecked(key));

    ExecutionException ee = new ExecutionException(cause);

    LoadingCache<Object, Object> cacheUnchecked =
        CacheBuilder.newBuilder().build(exceptionLoader(uee));
    LoadingCache<Object, Object> cacheChecked =
        CacheBuilder.newBuilder().build(exceptionLoader(ee));

    UncheckedExecutionException caughtUee =

  }

  public void testParse_accessExpirationSeconds() {
    CacheBuilderSpec spec = parse("expireAfterAccess=10s");
    assertEquals(SECONDS, spec.accessExpirationTimeUnit);
    assertEquals(10L, spec.accessExpirationDuration);
    assertCacheBuilderEquivalence(
        CacheBuilder.newBuilder().expireAfterAccess(10L, SECONDS), CacheBuilder.from(spec));
  }

          @Override
          public Object load(Object key) {
            return key;
          }
        });
    setDefault(LocalCache.class, new LocalCache<Object, Object>(CacheBuilder.newBuilder(), null));
    setDefault(CacheBuilder.class, CacheBuilder.newBuilder());
  }

    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().maximumSize(16);
    assertThrows(IllegalStateException.class, () -> builder.maximumSize(16));
  }

  @GwtIncompatible // maximumWeight
  public void testMaximumSize_andWeight() {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().maximumSize(16);
    assertThrows(IllegalStateException.class, () -> builder.maximumWeight(16));
  }

    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().maximumSize(16);
    assertThrows(IllegalStateException.class, () -> builder.maximumSize(16));
  }

  @GwtIncompatible // maximumWeight
  public void testMaximumSize_andWeight() {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().maximumSize(16);
    assertThrows(IllegalStateException.class, () -> builder.maximumWeight(16));
  }

  }

  public void testParse_accessExpirationSeconds() {
    CacheBuilderSpec spec = parse("expireAfterAccess=10s");
    assertEquals(SECONDS, spec.accessExpirationTimeUnit);
    assertEquals(10L, spec.accessExpirationDuration);
    assertCacheBuilderEquivalence(
        CacheBuilder.newBuilder().expireAfterAccess(10L, SECONDS), CacheBuilder.from(spec));
  }