assertTrue(runnable2.run);
    assertEquals((Integer) 3, runnableFuture2.get());
  }

  private static class TestRunnable implements Runnable {
    boolean run = false;

    @Override
    public void run() {
      run = true;
    }
  }

  private static class TestCallable implements Callable<String> {
    @Override
    public String call() {
      return "foo";
    }
  }

Nesta seção, veremos como usar outros middlewares.

## Adicionando middlewares ASGI { #adding-asgi-middlewares }

Como o **FastAPI** é baseado no Starlette e implementa a especificação <abbr title="Asynchronous Server Gateway Interface – Interface de Gateway de Servidor Assíncrona">ASGI</abbr>, você pode usar qualquer middleware ASGI.

/**
 * A simplistic set which implements the bare minimum so that it can be used in tests without
 * relying on any specific Set implementations. Slow. Explicitly allows null elements so that they
 * can be used in the testers.
 *
 * @author Regina O'Dell
 */
@GwtCompatible
@NullMarked
public class MinimalSet<E extends @Nullable Object> extends MinimalCollection<E> implements Set<E> {

/**
 * A simplistic set which implements the bare minimum so that it can be used in tests without
 * relying on any specific Set implementations. Slow. Explicitly allows null elements so that they
 * can be used in the testers.
 *
 * @author Regina O'Dell
 */
@GwtCompatible
@NullMarked
public class MinimalSet<E extends @Nullable Object> extends MinimalCollection<E> implements Set<E> {

 * Optional features of classes derived from {@code Map}.
 *
 * @author George van den Driessche
 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum MapFeature implements Feature<Map> {
  /**
   * The map does not throw {@code NullPointerException} on calls such as {@code containsKey(null)},
   * {@code get(null)}, {@code keySet().contains(null)} or {@code remove(null)}.
   */

import org.apache.maven.artifact.resolver.ArtifactResolutionException;

/**
 */
@Named
@Singleton
@Deprecated
public class DefaultArtifactTransformationManager implements ArtifactTransformationManager {

    private List<ArtifactTransformation> artifactTransformations;

    @Inject
    public DefaultArtifactTransformationManager(Map<String, ArtifactTransformation> artifactTransformations) {

import org.eclipse.aether.graph.DependencyNode;

/**
 * @deprecated use {@code org.apache.maven.api.services.ProjectBuilder} instead
 */
@Deprecated(since = "4.0.0")
class DefaultDependencyResolutionResult implements DependencyResolutionResult {

    private DependencyNode root;

    private List<Dependency> dependencies = new ArrayList<>();

    private List<Dependency> resolvedDependencies = new ArrayList<>();

   *
   * <p>A failing {@link TearDown} may or may not fail a tl4j test, depending on the version of
   * JUnit test case you are running under. To avoid failing in the face of an exception regardless
   * of JUnit version, implement a {@link SloppyTearDown} instead.
   *
   * <p>tl4j details: For backwards compatibility, {@code junit3.TearDownTestCase} currently does

 * <li>{@link FunctionalInterface}: Denotes that this is a functional interface,
 * allowing implementations as lambda expressions or method references.</li>
 * <li>{@link Consumer}: Signifies that this type is intended to be implemented
 * or extended by Maven plugins or extensions and consumed by Maven itself.</li>
 * <li>{@link ThreadSafe}: Implies that implementations of this interface must
 * be safe to invoke from multiple threads concurrently.</li>

     *       in the configuration, which can then be passed to legacy plugins that expect to perform
     *       their own resolution.</li>
     *   <li><strong>For implementers:</strong> Store the path exactly as provided in the configuration.
     *       Do not resolve relative paths at storage time.</li>
     * </ul>
     *
     * @see #targetPath(Project)