* whether nulls were to be permitted or forbidden, but presumably the eventual fix will be to
   * permit them, as it seems more likely that code would depend on that behavior than on the other.
   * Thus, we say the bug is in set(), which fails to support null.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getSetNullSupportedMethod() {

 * an expressive source hint for the model problem. Instead, the source hint is configured by the model builder before
 * it delegates to other components that potentially encounter problems. Then, the problem reporter can focus on
 * providing a simple error message, leaving the donkey work of creating a nice model problem to this component.
 *

## Другие middleware { #other-middlewares }

Существует много других ASGI middleware.

Например:

        () -> {
          Iterator<E> iterator = collection.iterator();
          assertTrue(collection.removeAll(MinimalCollection.of(e0(), e3())));
          iterator.next();
        });
  }

  /** Trigger the {@code other.size() >= this.size()} case in {@link AbstractSet#removeAll}. */
  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testRemoveAll_somePresentLargeCollectionToRemove() {

  }

  /*
   * This is somewhat of a weak test; we verify that all of the methods are
   * correct, but not that they're actually forwarding correctly. We also rely
   * on the other tests (e.g., SynchronizedSetTest) to verify that the
   * collection views are synchronized correctly.
   */

  public void testSize() {
    int unused = create().size();
  }

  public void testIsEmpty() {

      return standardRemoveAll(c);
    }

    @Override
    public boolean retainAll(Collection<?> c) {
      return standardRetainAll(c);
    }
  }

  /** The inverse of any other {@code AbstractBiMap} subclass. */
  private static final class Inverse<K extends @Nullable Object, V extends @Nullable Object>
      extends AbstractBiMap<K, V> {
    Inverse(Map<K, V> backward, AbstractBiMap<V, K> forward) {

                double variance = (maxTime - minTime) / avgTime;
                // JVM timing in concurrent scenarios is inherently variable
                // We verify implementation correctness rather than precise timing
                assertTrue(variance < 50.0,
                        String.format(

   * need to be escaped. If an empty array is returned, this effectively strips the input character
   * from the resulting text.
   *
   * <p>If the character does not need to be escaped, this method should return {@code null}, rather
   * than a one-character array containing the character itself. This enables the escaping algorithm
   * to perform more efficiently.
   *

Aber in der Praxis werden Sie mit den integrierten [Sicherheits-Werkzeugen](security/index.md){.internal-link target=_blank} bessere Ergebnisse erzielen.

///

## Ein weiteres Modul mit `APIRouter` { #another-module-with-apirouter }

Nehmen wir an, Sie haben im Modul unter `app/routers/items.py` auch die Endpunkte, die für die Verarbeitung von Artikeln („Items“) aus Ihrer Anwendung vorgesehen sind.

В реальных случаях для получения наилучших результатов используйте интегрированные [утилиты безопасности](security/index.md){.internal-link target=_blank}.

///

## Ещё один модуль с `APIRouter` { #another-module-with-apirouter }

Давайте также предположим, что у вас есть *эндпоинты*, отвечающие за обработку "items", и они находятся в модуле `app/routers/items.py`.

У вас определены следующие *операции пути* (*эндпоинты*):