* expireAfterWrite}, {@link #expireAfterAccess expireAfterAccess}, {@link #weakKeys weakKeys},
 * {@link #weakValues weakValues}, or {@link #softValues softValues} are requested.
 *
 * <p>If {@link #maximumSize(long) maximumSize} or {@link #maximumWeight(long) maximumWeight} is
 * requested entries may be evicted on each cache modification.
 *

            .createTestSuite());
    suite.addTest(
        ConcurrentMapTestSuiteBuilder.using(
                new TestStringCacheGenerator(createCacheBuilder().softValues()))
            .named("LocalCache with softValues") // values are string literals and won't be GC'd
            .withFeatures(
                CollectionSize.ANY,
                MapFeature.GENERAL_PURPOSE,

    assertThrows(IllegalStateException.class, () -> builder1.weakValues());
    assertThrows(IllegalStateException.class, () -> builder1.softValues());

    CacheBuilder<Object, Object> builder2 = CacheBuilder.newBuilder().softValues();
    assertThrows(IllegalStateException.class, () -> builder2.softValues());
    assertThrows(IllegalStateException.class, () -> builder2.weakValues());
  }

  @GwtIncompatible // Duration

    assertThrows(IllegalStateException.class, () -> builder1.weakValues());
    assertThrows(IllegalStateException.class, () -> builder1.softValues());

    CacheBuilder<Object, Object> builder2 = CacheBuilder.newBuilder().softValues();
    assertThrows(IllegalStateException.class, () -> builder2.softValues());
    assertThrows(IllegalStateException.class, () -> builder2.weakValues());
  }

  @GwtIncompatible // Duration