public void Setup(BenchmarkContext context)
{
_actorSystem = ActorSystem.Create("FileSourcesBenchmark");
_materializer = _actorSystem.Materializer();
_file = CreateFile();
_fileChannelSource = FileIO.FromFile(_file, BufferSize);
_fileInputStreamSource = StreamConverters.FromInputStream(() => File.OpenRead(_file.FullName), BufferSize);
_ioSourceLinesIterator = Source.FromEnumerator(() => File.ReadLines(_file.FullName).Select(ByteString.FromString).GetEnumerator());
}