presto-main/src/main/java/io/prestosql/operator/LookupSourceFactory.java/LookupSourceFactory/finishProbeOperator
class LookupSourceFactory:    default ListenableFuture<PartitionedConsumption<Supplier<LookupSource>>> finishProbeOperator(OptionalInt lookupJoinsCount)
    {
        return immediateFuture(new PartitionedConsumption<>(
                1,
                emptyList(),
                i -> {
                    throw new UnsupportedOperationException();
                },
                i -> {}));
    }