return getDoneValue(requireNonNull(valueField));
    }
    // If we get here then we have remainingNanos < SPIN_THRESHOLD_NANOS and there is no node on the
    // waiters list
    while (remainingNanos > 0) {
      localValue = valueField;
      if (localValue != null & notInstanceOfDelegatingToFuture(localValue)) {
        return getDoneValue(localValue);
      }

    }
    return getDoneValue(localValue);
  }

  /** Unboxes {@code obj}. Assumes that obj is not {@code null} or a {@link DelegatingToFuture}. */
  @ParametricNullness
  @SuppressWarnings("TypeParameterUnusedInFormals") // sorry not sorry
  static <V extends @Nullable Object> V getDoneValue(Object obj) throws ExecutionException {

            stream(requireNonNull(AbstractFuture.class.getSuperclass()).getDeclaredMethods()))
        .filter(
            m ->
                m.getName().equals("getDoneValue")
                    || m.getName().equals("casValue")
                    || m.getName().equals("casListeners")
                    || m.getName().equals("gasListeners"))
        .forEach(ignoredMembers::add);
  }

            stream(requireNonNull(AbstractFuture.class.getSuperclass()).getDeclaredMethods()))
        .filter(
            m ->
                m.getName().equals("getDoneValue")
                    || m.getName().equals("casValue")
                    || m.getName().equals("casListeners")
                    || m.getName().equals("gasListeners"))
        .forEach(ignoredMembers::add);
  }