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