}
  }

  @SuppressWarnings("Java8ApiChecker")
  private ServerSocket makeMyServerExampleWithCleaner(AtomicBoolean cleanerRan) throws IOException {
    MyServerExampleWithCleaner myServer = new MyServerExampleWithCleaner(cleanerRan);
    assertThat(myServer.serverSocket.isClosed()).isFalse();
    return myServer.serverSocket;
  }

  @SuppressWarnings("Java8ApiChecker")
  @Test

            finalizerRan.countDown();
          }
        });
  }

  // We call the method only after checking that it's present.
  @IgnoreJRERequirement
  @SuppressWarnings({
    "Java8ApiChecker",
    // This method is a helper, which we call from a `finally` block, as recommended.
    "ReachabilityFenceUsage",
  })
  static void reachabilityFence(@Nullable Object o) {

            finalizerRan.countDown();
          }
        });
  }

  // We call the method only after checking that it's present.
  @IgnoreJRERequirement
  @SuppressWarnings({
    "Java8ApiChecker",
    // This method is a helper, which we call from a `finally` block, as recommended.
    "ReachabilityFenceUsage",
  })
  static void reachabilityFence(@Nullable Object o) {

  @VisibleForTesting
  // We call the method only after checking that it's present.
  @IgnoreJRERequirement
  @SuppressWarnings({
    "Java8ApiChecker",
    "NewApi",
    // This method is a helper, which we call from a `finally` block, as recommended.
    "ReachabilityFenceUsage",
  })
  static void reachabilityFence(@Nullable Object o) {

    @J2ObjCIncompatible
    REAL_CALLER {
      // We call the method only after checking that it's present.
      @IgnoreJRERequirement
      @SuppressWarnings({
        "Java8ApiChecker",
        "NewApi",
        // This method is a helper, which we call from a `finally` block, as recommended.
        "ReachabilityFenceUsage",
      })
      @Override