* cheap (typically one field read). Resurrect this method if you find that not to be true.
   */
  //   @GuardedBy("lock")
  //   private void signalNextWaiterSkipping(Guard guardToSkip) {
  //     for (Guard guard = activeGuards; guard != null; guard = guard.next) {
  //       if (guard != guardToSkip && isSatisfied(guard)) {
  //         guard.condition.signal();