* invocations to {@code handler}. The class loader of {@code interfaceType} will be used to
   * define the proxy class. To implement multiple interfaces or specify a class loader, use {@link
   * Proxy#newProxyInstance}.
   *
   * @throws IllegalArgumentException if {@code interfaceType} does not specify the type of a Java
   *     interface
   */
  public static <T> T newProxy(Class<T> interfaceType, InvocationHandler handler) {

        interfaceClasses.add(itf);
      }
    }
    // Make the proxy serializable to work with SerializableTester
    interfaceClasses.add(Serializable.class);
    Object dummy =
        Proxy.newProxyInstance(
            interfaceClasses.iterator().next().getClassLoader(),
            interfaceClasses.toArray(new Class<?>[interfaceClasses.size()]),
            new DummyHandler(interfaceType));

     * separator which should not be part of the groupId or artifactId.
     */
    private static Path createPathProxy(String value) {
        return (Path) Proxy.newProxyInstance(
                ExclusionArtifactFilter.class.getClassLoader(), new Class[] {Path.class}, (proxy1, method, args) -> {
                    if ("toString".equals(method.getName())) {
                        return value;

        interfaceClasses.add(itf);
      }
    }
    // Make the proxy serializable to work with SerializableTester
    interfaceClasses.add(Serializable.class);
    Object dummy =
        Proxy.newProxyInstance(
            interfaceClasses.iterator().next().getClassLoader(),
            interfaceClasses.toArray(new Class<?>[interfaceClasses.size()]),
            new DummyHandler(interfaceType));

    return Reflection.newProxy(List.class, new SubHandler2(delegate));
  }

  private static Object newProxyWithEqualsForInterfaces(Class<?>... interfaces) {
    return Proxy.newProxyInstance(
        AbstractInvocationHandlerTest.class.getClassLoader(),
        interfaces,
        new DelegatingInvocationHandlerWithEquals("a string"));
  }

    return Reflection.newProxy(List.class, new SubHandler2(delegate));
  }

  private static Object newProxyWithEqualsForInterfaces(Class<?>... interfaces) {
    return Proxy.newProxyInstance(
        AbstractInvocationHandlerTest.class.getClassLoader(),
        interfaces,
        new DelegatingInvocationHandlerWithEquals("a string"));
  }

    sslSocket: SSLSocket,
    hostname: String?,
    protocols: List<Protocol>,
  ) {
    val names = alpnProtocolNames(protocols)

    try {
      val alpnProvider =
        Proxy.newProxyInstance(
          Platform::class.java.classLoader,
          arrayOf(clientProviderClass, serverProviderClass),
          AlpnProvider(names),
        )
      putMethod.invoke(null, sslSocket, alpnProvider)

  }

  // TODO: replace with version in common.reflect if and when it's open-sourced
  private static <T> T newProxy(Class<T> interfaceType, InvocationHandler handler) {
    Object object =
        Proxy.newProxyInstance(
            interfaceType.getClassLoader(), new Class<?>[] {interfaceType}, handler);
    return interfaceType.cast(object);
  }

  @ParametricNullness
  private <T extends @Nullable Object> T callWithTimeout(