in benchmarks/Elastic.Ingest.Elasticsearch.Benchmarks/Benchmarks/BulkRequestCreationWithFixedIndexNameBenchmarks.cs [43:49]
public async Task WriteToStreamAsync()
{
MemoryStream.Position = 0;
var bytes = BulkRequestDataFactory.GetBytes(_data, _options!, e => BulkRequestDataFactory.CreateBulkOperationHeaderForIndex(e, _options!, true));
var postData = PostData.ReadOnlyMemory(bytes);
await postData.WriteAsync(MemoryStream, _transportConfiguration!, false, CancellationToken.None);
}