}

  public void testParse_writeExpirationRepeated() {
    assertThrows(
        IllegalArgumentException.class, () -> parse("expireAfterWrite=10s,expireAfterWrite=10m"));
  }

  public void testParse_accessExpirationDays() {
    CacheBuilderSpec spec = parse("expireAfterAccess=10d");
    assertThat(spec.initialCapacity).isNull();
    assertThat(spec.maximumSize).isNull();
    assertThat(spec.maximumWeight).isNull();