@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) {
    if (IS_REACHABILITY_FENCE_METHOD_USABLE) {
      Reference.reachabilityFence(o);
    }
  }