presto-blackhole/src/main/java/io/prestosql/plugin/blackhole/BlackHolePageSinkProvider.java/BlackHolePageSinkProvider/BlackHolePageSinkProvider
class BlackHolePageSinkProvider:    public BlackHolePageSinkProvider(ListeningScheduledExecutorService executorService)
    {
        this.executorService = requireNonNull(executorService, "executorService is null");
    }