presto-main/src/main/java/io/prestosql/execution/scheduler/FixedBucketNodeMap.java/FixedBucketNodeMap/assignBucketToNode
class FixedBucketNodeMap:    @Override
    public void assignBucketToNode(int bucketedId, InternalNode node)
    {
        throw new UnsupportedOperationException();
    }