* response code like 404 or 500.
   *
   * @throws IOException if the request could not be executed due to cancellation, a connectivity
   *     problem or timeout. Because networks can fail during an exchange, it is possible that the
   *     remote server accepted the request before the failure.
   * @throws IllegalStateException when the call has already been executed.
   */
  @Throws(IOException::class)
  fun execute(): Response

  /**

      @Override
      public void write(int c) throws IOException {
        separatingAppendable.append((char) c);
      }

      @Override
      public void write(char[] chars, int off, int len) throws IOException {
        throw new UnsupportedOperationException();
      }

      @Override
      public void flush() throws IOException {
        delegate.flush();
      }

      @Override

/**
 * Create UNIX domain sockets for MockWebServer and OkHttp and connect 'em together. Note that we
 * cannot do TLS over domain sockets.
 */
public class ClientAndServer {
  public void run() throws Exception {
    File socketFile = new File("/tmp/ClientAndServer.sock");
    socketFile.delete(); // Clean up from previous runs.

    MockWebServer server = new MockWebServer();

  }

  public void testConstructor() throws Exception {
    Invokable<A, A> invokable = A.constructor();
    assertTrue(invokable.isPublic());
    assertFalse(invokable.isPackagePrivate());
    assertFalse(invokable.isAbstract());
    assertFalse(invokable.isStatic());
    assertTrue(invokable.isAnnotationPresent(Tested.class));
  }

  public void testAbstractMethod() throws Exception {

    return new Callable<T>() {
      @Override
      public T call() throws Exception {
        throw exception;
      }
    };
  }

  private static Runnable runnableThrowing(RuntimeException e) {
    return new Runnable() {
      @Override
      public void run() {
        throw e;
      }
    };
  }

  @SuppressWarnings("serial")

    return copy;
  }

  /**
   * Not supported. Use {@link #eraseAll} instead.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Use {@link #eraseAll}
   */
  @DoNotCall("Always throws UnsupportedOperationException")
  @Override
  @Deprecated
  public void clear() {
    throw new UnsupportedOperationException();
  }

     * @param repositories
     * @param session
     * @return PluginDescriptor The component descriptor for the Maven plugin.
     * @throws PluginNotFoundException The plugin could not be found in any repositories.
     * @throws PluginResolutionException The plugin could be found but could not be resolved.
     * @throws InvalidPluginDescriptorException
     */
    @Override
    public PluginDescriptor loadPlugin(

     * @return The deserialized model, never {@code null}.
     * @throws IOException If the model could not be deserialized.
     * @throws ModelParseException If the input format could not be parsed.
     */
    Model read(File input, Map<String, ?> options) throws IOException, ModelParseException;

    /**

  }

  private void assertGood(String spec) throws ParseException {
    // Throws exception if not working correctly
    HostSpecifier unused = HostSpecifier.fromValid(spec);
    unused = HostSpecifier.from(spec);
    assertTrue(HostSpecifier.isValid(spec));
  }

  private void assertBad(String spec) {
    try {
      HostSpecifier.fromValid(spec);
      fail("Should have thrown IllegalArgumentException: " + spec);

     *
     * @param expression not null expression
     * @param root       not null object
     * @return the object defined by the expression
     * @throws IntrospectionException if any
     */
    public static Object evaluate(@Nonnull String expression, @Nullable Object root) throws IntrospectionException {
        return evaluate(expression, root, true);
    }

    /**
     * <p>