*/
  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();

  @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 =

    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 class LocalLoadingCacheTest extends TestCase {

  private static <K, V> LocalLoadingCache<K, V> makeCache(
      CacheBuilder<K, V> builder, CacheLoader<? super K, V> loader) {
    return new LocalLoadingCache<>(builder, loader);
  }

  private CacheBuilder<Object, Object> createCacheBuilder() {
    return CacheBuilder.newBuilder().recordStats();
  }

  // constructor tests

  public void testComputingFunction() {

                stats[3]++;
                break;
              default:
                throw new IllegalStateException("No collected exceptions in GWT CacheBuilder.");
            }
          }
        };

    Cache<Integer, Integer> cache =
        CacheBuilder.newBuilder()
            .expireAfterWrite(1000, MILLISECONDS)
            .removalListener(countingListener)
            .ticker(fakeTicker)

import org.jspecify.annotations.Nullable;

/**
 * Helper class for creating {@link CacheBuilder} instances with all combinations of several sets of
 * parameters.
 *
 * @author mike nonemacher
 */
@NullUnmarked
class CacheBuilderFactory {
  // Default values contain only 'null', which means don't call the CacheBuilder method (just give
  // the CacheBuilder default).
  private Set<Integer> concurrencyLevels = Sets.newHashSet((Integer) null);

      LoadingCache<Object, Object> cache = CacheBuilder.newBuilder().maximumSize(i).build(loader);
      assertEquals(i, CacheTesting.getTotalSegmentSize(cache));
    }
  }

  public void testEviction_setMaxSegmentWeight() {
    IdentityLoader<Object> loader = identityLoader();
    for (int i = 1; i < 1000; i++) {
      LoadingCache<Object, Object> cache =