final Set<RequestData> requestDataSet = new LinkedHashSet<>();
            for (final Sitemap sitemap : sitemapSet.getSitemaps()) {
                if (sitemap != null) {
                    requestDataSet.add(RequestDataBuilder.newRequestData().get().url(sitemap.getLoc()).build()); // TODO priority
                }
            }

constraints.Future.message = {item} 必須是未來的日期。
constraints.Max.message = {item} 必須小於或等於 {value}。
constraints.Min.message = {item} 必須大於或等於 {value}。
constraints.NotNull.message = {item} 不能為空。
constraints.Null.message = {item} 必須為 null。
constraints.Past.message = {item} 必須是過去的日期。
constraints.Pattern.message = {item} 不匹配 "{regexp}"。
constraints.Size.message = {item} 的大小必須在 {min} 到 {max} 個字元之間。

      .isEqualTo(
        listOf(Challenge("Other", mapOf(null to "abc=="))),
      )
  }

  @Test fun token68AndAuthParams() {
    val headers =
      Headers
        .Builder()
        .add("WWW-Authenticate", "Other abc==, realm=myrealm")
        .build()
    assertThat(headers.parseChallenges("WWW-Authenticate")).containsExactly(
      Challenge("Other", mapOf(null to "abc==")),
    )
  }

License, each Contributor hereby grants to You a perpetual, worldwide, 
non-exclusive, no-charge, royalty-free, irrevocable (except as stated in 
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those patent claims licensable by such Contributor that are necessarily 
infringed by their Contribution(s) alone or by combination of their 

      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
      (except as stated in this section) patent license to make, have made,
      use, offer to sell, sell, import, and otherwise transfer the Work,
      where such license applies only to those patent claims licensable
      by such Contributor that are necessarily infringed by their

      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
      (except as stated in this section) patent license to make, have made,
      use, offer to sell, sell, import, and otherwise transfer the Work,
      where such license applies only to those patent claims licensable
      by such Contributor that are necessarily infringed by their

 * Unit test for {@link Helpers}.
 *
 * @author Chris Povirk
 */
@GwtCompatible
public class HelpersTest extends TestCase {
  public void testNullsBeforeB() {
    testComparator(NullsBeforeB.INSTANCE, "a", "azzzzzz", null, "b", "c");
  }

  public void testIsEmpty_iterable() {
    List<Object> list = new ArrayList<>();
    assertEmpty(list);
    assertEmpty(() -> emptyIterator());

    list.add("a");
    try {

          public void run() {
            listenerLatch.countDown();
          }
        },
        directExecutor());
  }

  @Override
  protected void tearDown() throws Exception {
    if (exec != null) {
      exec.shutdown();
    }

    super.tearDown();
  }

  public void testListenerDoesNotRunUntilTaskCompletes() throws Exception {

    // Test default state of not started.

 * Unit test for {@link Helpers}.
 *
 * @author Chris Povirk
 */
@GwtCompatible
public class HelpersTest extends TestCase {
  public void testNullsBeforeB() {
    testComparator(NullsBeforeB.INSTANCE, "a", "azzzzzz", null, "b", "c");
  }

  public void testIsEmpty_iterable() {
    List<Object> list = new ArrayList<>();
    assertEmpty(list);
    assertEmpty(() -> emptyIterator());

    list.add("a");
    try {

		currentDefaultNotNull := field.HasDefaultValue && (field.DefaultValueInterface != nil || !strings.EqualFold(field.DefaultValue, "NULL"))
		dv, dvNotNull := columnType.DefaultValue()
		if dvNotNull && !currentDefaultNotNull {
			// default value -> null
			alterColumn = true
		} else if !dvNotNull && currentDefaultNotNull {
			// null -> default value
			alterColumn = true
		} else if currentDefaultNotNull || dvNotNull {