presto-main/src/main/java/io/prestosql/spiller/GenericSpillerFactory.java/GenericSpillerFactory/GenericSpillerFactory
class GenericSpillerFactory:    @Inject
    public GenericSpillerFactory(SingleStreamSpillerFactory singleStreamSpillerFactory)
    {
        this.singleStreamSpillerFactory = requireNonNull(singleStreamSpillerFactory, "singleStreamSpillerFactory can not be null");
    }