builder.append("PENDING");

    @RetainedLocalRef Object localValue = value();
    if (localValue instanceof DelegatingToFuture) {
      builder.append(", setFuture=[");
      appendUserObject(builder, ((DelegatingToFuture) localValue).future);
      builder.append("]");
    } else {
      String pendingDescription;
      try {
        pendingDescription = Strings.emptyToNull(pendingToString());