* `datetime.timedelta`:
    * 파이썬의 `datetime.timedelta`.
    * 요청과 응답에서 전체 초(seconds)의 `float`로 표현됩니다.
    * Pydantic은 "ISO 8601 시차 인코딩"으로 표현하는 것 또한 허용합니다. <a href="https://docs.pydantic.dev/latest/concepts/serialization/#json_encoders" class="external-link" target="_blank">더 많은 정보는 이 문서에서 확인하십시오.</a>.
* `frozenset`:
    * 요청과 응답에서 `set`와 동일하게 취급됩니다:
        * 요청 시, 리스트를 읽어 중복을 제거하고 `set`로 변환합니다.
        * 응답 시, `set`는 `list`로 변환됩니다.

 * with search filters and navigation capabilities.
 */
public class FailureUrlPager implements Serializable {

    /** Serial version UID for serialization compatibility. */
    private static final long serialVersionUID = 1L;

    /**
     * Default constructor.
     */
    public FailureUrlPager() {
        // Default constructor
    }

 * ClassToInstanceMap}</a>.
 *
 * @author Kevin Bourrillion
 * @since 2.0
 */
@J2ktIncompatible
@GwtIncompatible
@SuppressWarnings("serial") // using writeReplace instead of standard serialization
public final class MutableClassToInstanceMap<B extends @Nullable Object>
    extends ForwardingMap<Class<? extends @NonNull B>, B>
    implements ClassToInstanceMap<B>, Serializable {

  /**

    }

    public void test_serialization() {
        // Test that the exception has serialVersionUID
        ThumbnailGenerationException exception = new ThumbnailGenerationException("Test serialization");

        // The exception should be serializable as it extends RuntimeException
        assertTrue(exception instanceof java.io.Serializable);
    }

    public void test_toString() {

import org.jspecify.annotations.Nullable;

/**
 * Unit test for {@link AbstractMultiset}.
 *
 * @author Kevin Bourrillion
 * @author Louis Wasserman
 */
@SuppressWarnings("serial") // No serialization is used in this test
@GwtCompatible
@NullMarked
public class SimpleAbstractMultisetTest extends TestCase {
  @J2ktIncompatible
  @GwtIncompatible // suite
  @AndroidIncompatible // test-suite builders

 * subclasses. Without such overrides, optimizers might put a {@code writeReplace}-containing class
 * and its subclass in different packages, causing the serialization system to fail to invoke {@code
 * writeReplace} when serializing an instance of the subclass. For an example of this problem, see
 * b/310253115.
 */
@NullUnmarked
public class WriteReplaceOverridesTest extends TestCase {

    }

    public void test_serialization() {
        // Test serialVersionUID exists
        ResultOffsetExceededException exception = new ResultOffsetExceededException("Test serialization");

        // The exception should be serializable since it extends RuntimeException
        assertTrue(exception instanceof java.io.Serializable);
    }

    public void test_stackTrace() {

* <abbr title="também conhecido como: serialization, parsing, marshalling">Conversão</abbr> de dados de entrada: vindo da rede para dados e tipos Python. Consegue ler:
    * JSON.
    * Parâmetros de rota.
    * Parâmetros de _query_ .
    * _Cookies_.
    * Cabeçalhos.
    * Formulários.
    * Arquivos.

  }

  @J2ktIncompatible // serialization
  private void readObject(ObjectInputStream unused) throws InvalidObjectException {
    throw new InvalidObjectException("Use SerializedForm");
  }

  @Override
  @J2ktIncompatible // serialization
  Object writeReplace() {
    return new SerializedForm<E>(comparator, toArray());
  }

  /**

        assertEquals("Level 2", level2.getMessage());
        assertEquals("Level 3 - Root cause", level3.getMessage());
    }

    /**
     * Test serialization
     */
    public void test_serialization() throws Exception {
        String message = "Serialization test";
        Exception cause = new IOException("IO cause");
        CrawlerSystemException original = new CrawlerSystemException(message, cause);