throw o == null ? new NullPointerException() : new ClassCastException();
    }

    @Override
    public int size() {
      return 0;
    }

    @Override
    public Iterator<Void> iterator() {
      return emptyIterator();
    }
  }

import java.util.AbstractSet;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * Abstract base class for an incident edges set that allows different implementations of {@link
 * AbstractSet#iterator()}.
 */
abstract class IncidentEdgeSet<N> extends AbstractSet<EndpointPair<N>> {
  final N node;
  final ArchetypeGraph<N> graph;
  final EdgeType edgeType;

  enum EdgeType {

- Allez dans le panneau « Debug ».
- « Add configuration ... ».
- Sélectionnez « Python ».
- Lancez le <abbr title="En anglais: debugger">débogueur</abbr> avec l'option « Python: Current File (Integrated Terminal) ».

Il démarrera alors le serveur avec votre code **FastAPI**, s'arrêtera à vos points d'arrêt, etc.

Voici à quoi cela pourrait ressembler :

<img src="/img/tutorial/debugging/image01.png">

---

    assertThat(ArbitraryInstances.get(UUID.class)).isNotNull();
  }

  public void testGet_collections() {
    assertEquals(ImmutableSet.of().iterator(), ArbitraryInstances.get(Iterator.class));
    assertFalse(ArbitraryInstances.get(PeekingIterator.class).hasNext());
    assertFalse(ArbitraryInstances.get(ListIterator.class).hasNext());

   * never use this method, preferring instead to call {@code requireNonNull} so as to benefit from
   * its runtime check.
   *
   * <p>An example use case for this method is in implementing an {@code Iterator<T>} whose {@code
   * next} field is lazily initialized. The type of that field would be {@code @Nullable T}, and the
   * code would be responsible for populating a "real" {@code T} (which might still be the value

   * never use this method, preferring instead to call {@code requireNonNull} so as to benefit from
   * its runtime check.
   *
   * <p>An example use case for this method is in implementing an {@code Iterator<T>} whose {@code
   * next} field is lazily initialized. The type of that field would be {@code @Nullable T}, and the
   * code would be responsible for populating a "real" {@code T} (which might still be the value

   * would not have been granted before the timeout expired.
   *
   * <p>This method is equivalent to {@code tryAcquire(1, timeout)}.
   *
   * @param timeout the maximum time to wait for the permit. Negative values are treated as zero.
   * @return {@code true} if the permit was acquired, {@code false} otherwise
   * @throws IllegalArgumentException if the requested number of permits is negative or zero

    //                                                                           =========
    // keeping parsed request parameters, normal texts or uploaded files
    // keys are requested parameter names (treated as field name here)
    protected Map<String, Object> elementsAll; // lazy-loaded, then after not null
    protected Map<String, MultipartFormFile> elementsFile; // me too
    protected Map<String, String[]> elementsText; // me too

  }

  public void testListIterator_atSize() {
    assertNotNull(getList().listIterator(getNumElements()));
    // TODO: run the iterator through ListIteratorTester
  }

  /**
   * Returns the {@link Method} instance for {@link #testListIterator_fullyModifiable()} so that
   * tests of {@link CopyOnWriteArraySet} can suppress it with {@code

    suite.addTestSuite(MoreFilesTest.class);
    return suite;
  }

  private static final FileSystem FS = FileSystems.getDefault();

  private static Path root() {
    return FS.getRootDirectories().iterator().next();
  }

  private Path tempDir;

  @Override
  protected void setUp() throws Exception {
    tempDir = Files.createTempDirectory("MoreFilesTest");
  }

  @Override