* // impossible for a non-String to be in the intersection
   * SuppressWarnings("unchecked")
   * Set<String> badStrings = (Set) Sets.intersection(aFewBadObjects, manyBadStrings);
   * }
   *
   * <p>This is unfortunate, but should come up only very rarely.
   */
  public static <E extends @Nullable Object> SetView<E> intersection(Set<E> set1, Set<?> set2) {
    checkNotNull(set1, "set1");
    checkNotNull(set2, "set2");

   * // impossible for a non-String to be in the intersection
   * SuppressWarnings("unchecked")
   * Set<String> badStrings = (Set) Sets.intersection(aFewBadObjects, manyBadStrings);
   * }
   *
   * <p>This is unfortunate, but should come up only very rarely.
   */
  public static <E extends @Nullable Object> SetView<E> intersection(Set<E> set1, Set<?> set2) {
    checkNotNull(set1, "set1");
    checkNotNull(set2, "set2");

  private void readObject(ObjectInputStream in) throws InvalidObjectException {
    throw new InvalidObjectException("Use SerializationProxy");
  }

  /**
   * The actual object that gets serialized. Unfortunately, readResolve() doesn't get called when a
   * circular dependency is present, so the proxy must be able to behave as the map itself.
   */

  private void readObject(ObjectInputStream in) throws InvalidObjectException {
    throw new InvalidObjectException("Use SerializationProxy");
  }

  /**
   * The actual object that gets serialized. Unfortunately, readResolve() doesn't get called when a
   * circular dependency is present, so the proxy must be able to behave as the map itself.
   */

                        /*
                         * Apparently once a successful NTLMSSP login occurs, the
                         * server will return "Access denied" even if a logoff is
                         * sent. Unfortunately calling disconnect() doesn't always
                         * actually shutdown the connection before other threads
                         * have committed themselves (e.g. InterruptTest example).

   * @param typeArg the actual type to substitute
   */
  /*
   * TODO(cpovirk): Is there any way for us to support TypeParameter instances for type parameters
   * that have nullable bounds? Unfortunately, if we change the parameter to TypeParameter<? extends
   * @Nullable X>, then users might pass a TypeParameter<Y>, where Y is a subtype of X, while still

    //
    // HttpUrl is quite lenient with what characters it accepts. In particular, characters like '{'
    // and '"' are permitted but unlikely to occur in real-world URLs. Unfortunately we can't just
    // lock it down due to URL templating: "http://{env}.{dc}.example.com".
    UrlComponentEncodingTester
      .newInstance()
      .nonPrintableAscii(Encoding.FORBIDDEN)