* X-Forwarded-Host}</a> header field name.
   *
   * @since 20.0
   */
  public static final String X_FORWARDED_HOST = "X-Forwarded-Host";

  /**
   * The HTTP <a
   * href="https://docs.aws.amazon.com/elasticloadbalancing/latest/classic/x-forwarded-headers.html#x-forwarded-port">{@code
   * X-Forwarded-Port}</a> header field name.
   *
   * @since 20.0
   */

import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Tester to ensure forwarding wrapper works by delegating calls to the corresponding method with
 * the same parameters forwarded and return value forwarded back or exception propagated as is.
 *
 * <p>For example:
 *
 * {@snippet :
 * new ForwardingWrapperTester().testForwarding(Foo.class, new Function<Foo, Foo>() {
 *   public Foo apply(Foo foo) {

import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Tester to ensure forwarding wrapper works by delegating calls to the corresponding method with
 * the same parameters forwarded and return value forwarded back or exception propagated as is.
 *
 * <p>For example:
 *
 * {@snippet :
 * new ForwardingWrapperTester().testForwarding(Foo.class, new Function<Foo, Foo>() {
 *   public Foo apply(Foo foo) {

      throw new RuntimeException(e);
    } catch (NoSuchMethodException e) {
      throw new AssertionError(e);
    }
  }

  /**
   * Ensures that all interface methods of {@code forwarderClass} are forwarded to the {@link
   * ForwardingObject#delegate}. {@code forwarderClass} is assumed to only implement one interface.
   */
  static <T extends ForwardingObject> void testForwardingObject(Class<T> forwarderClass) {

   * as {@code execute} and {@code invokeAny}, are implemented in terms of calls to {@code
   * delegate.execute}. All other methods are forwarded unchanged to the delegate. This implies that
   * the returned {@code ListeningExecutorService} never calls the delegate's {@code submit}, {@code

    assertThat(getOnlyElement(results)).isInstanceOf(TrustedListenableFutureTask.class);

    /*
     * TODO(cpovirk): move ForwardingTestCase somewhere common, and use it to
     * test the forwarded methods
     */
  }

  @AndroidIncompatible // Mocking ExecutorService is forbidden there. TODO(b/218700094): Don't mock.
  public void testListeningDecorator_noWrapExecuteTask() {

        assertTrue(ex.getMessage().contains("Not connected"));
    }

    @Test
    @DisplayName("getTreeId delegates")
    void getTreeIdDelegates() {
        // Ensures tree id is forwarded from connection
        when(treeConnection.getTreeId()).thenReturn(42L);
        assertEquals(42L, handle.getTreeId());
        verify(treeConnection).getTreeId();
    }

    @Test

        if (cookieSecure != null) {
            return cookieSecure;
        }

        return LaRequestUtil.getOptionalRequest().map(req -> {
            String forwardedProto = req.getHeader("X-Forwarded-Proto");
            if ("https".equalsIgnoreCase(forwardedProto)) {
                return true;
            }
            return req.isSecure();
        }).orElse(false);
    }

    /**

    /**
     * Gets the client IP address from the request.
     * Checks X-Forwarded-For header before using remote address.
     *
     * @param request the HTTP servlet request
     * @return the client IP address
     */
    public String getClientIp(final HttpServletRequest request) {
        final String value = request.getHeader("x-forwarded-for");
        if (StringUtil.isNotBlank(value)) {
            return value;

    assertThat(getOnlyElement(results)).isInstanceOf(TrustedListenableFutureTask.class);

    /*
     * TODO(cpovirk): move ForwardingTestCase somewhere common, and use it to
     * test the forwarded methods
     */
  }

  @AndroidIncompatible // Mocking ExecutorService is forbidden there. TODO(b/218700094): Don't mock.
  public void testListeningDecorator_noWrapExecuteTask() {