List<@Nullable String> list = newArrayList("a", null, "b", null, "a", null);
    assertEquals(2, frequency(list.iterator(), "a"));
    assertEquals(1, frequency(list.iterator(), "b"));
    assertEquals(0, frequency(list.iterator(), "c"));
    assertEquals(0, frequency(list.iterator(), 4.2));
    assertEquals(3, frequency(list.iterator(), null));
  }

  @GwtIncompatible // slow (~4s)

     *
     * @return The model being built, never {@code null}.
     */
    Model getModel();

    /**
     * Gets the model building request being processed.
     *
     * @return The model building request being processed, never {@code null}.
     */
    ModelBuildingRequest getRequest();

    /**

        final String content = msExcelExtractor.getText(in, null).getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getText_null() {
        try {
            msExcelExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {
            // NOP

        final String content = msPowerPointExtractor.getText(in, null).getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getText_null() {
        try {
            msPowerPointExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {
            // NOP

import org.junit.platform.launcher.TestIdentifier
import org.junit.platform.launcher.TestPlan

object DotListener : TestExecutionListener {
  private var originalSystemErr: PrintStream? = null
  private var originalSystemOut: PrintStream? = null
  private var testCount = 0

  override fun executionSkipped(
    testIdentifier: TestIdentifier,
    reason: String,
  ) {
    printStatus("-")
  }

     * @return {@link Locale}
     */
    public static Locale getLocale(final String localeStr) {
        // TODO replace with Fess
        Locale locale = LocaleUtil.getDefault();
        if (localeStr != null) {
            final int index = localeStr.indexOf('_');
            if (index < 0) {
                locale = new Locale(localeStr);
            } else {
                final String language = localeStr.substring(0, index);

 */
class MailingListTest {

    @Test
    void testHashCodeNullSafe() {
        new MailingList().hashCode();
    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new MailingList().equals(null));

        new MailingList().equals(new MailingList());
    }

    @Test
    void testEqualsIdentity() {
        MailingList thing = new MailingList();
        assertTrue(thing.equals(thing));
    }

 */
@Deprecated(since = "4.0.0")
public interface ModelSourceTransformer {
    /**
     *
     * @param pomFile the pom file, cannot be null
     * @param context the context, cannot be null
     * @param  model the model to transform
     * @throws TransformerException if the transformation fails
     */

                try {
                    Thread.sleep(10000);
                } catch (InterruptedException e) {
                    throw new CrawlingAccessException(e);
                }
                return null;
            }
        };
        client.setAccessTimeout(1);
        try {
            client.doGet("smb1://localhost/test.txt");
            fail();
        } catch (CrawlingAccessException e) {

                        {
                            "required": False,
                            "schema": IsDict(
                                {
                                    "anyOf": [{"type": "string"}, {"type": "null"}],
                                    "title": "Q",
                                }
                            )
                            | IsDict(