srecord noeq StupidFib_collab(ICollab collab, int n, LongConsumer continuation) is Runnable {
  double timeout = 10.0;
  
  *(ICollab *collab, int *n) {}
  
  long get() {
    new Var<Long> var;
    continuation = result -> {
      var.set(result);
      collab.done();
    };
    collab.run();
    ret waitForVarToBeNotNullWithTimeout(var, secondsToMS_int(timeout));
  }

  run {
    if (n < 3) ret with continuation.accept(1L);
    
    LongPairCollector collector = new {
      void complete(long a, long b) {
        continuation.accept(add(a, b));
      }
    };
    
    collab.addWork(new StupidFib_collab(collab, n-1, collector.setterForA()));
    collab.addWork(new StupidFib_collab(collab, n-2, collector.setterForB()));
  }
}