More than one IAsyncEnumerable<byte[]> type params in OperationContract api gives NotSupportedException.

[EunjeongChoi414]

  [OperationContract]
  public Task RequestEnrollmentAsync(
        IAsyncEnumerable<byte[]> voice, IAsyncEnumerable<byte[]> image, CancellationToken cancel = default);

I'm trying to transfer two files from client to server but when I test this api, it gives me below exception.

Error: System.NotSupportedException: Method signature [Task<FileMetadata> FindingMate.Orchestration.Contract.Social. RequestEnrollmentAsync(IAsyncEnumerable<Byte[]>, IAsyncEnumerable<Byte[]>, CancellationToken)] is not supported.
at FindingMate.Orchestration.Contract.FindingMate.Orchestration.Contract.Social.IMateEnrollmentRpcClient. RequestEnrollmentAsync(IAsyncEnumerable`1, IAsyncEnumerable`1, CancellationToken)
at Submission#3.<<Initialize>>d__0.MoveNext()
--- End of stack trace from previous location ---
at Microsoft.CodeAnalysis.Scripting.ScriptExecutionState.RunSubmissionsAsync[TResult](ImmutableArray`1 precedingExecutors, Func`2 currentExecutor, StrongBox`1 exceptionHolderOpt, Func`2 catchExceptionOpt, CancellationToken cancellationToken)

I tried your example code on transferring files and it worked but that case was sending just one file.
Is transferring more than one IAsyncEnumerable<byte[]> type not possible in grpc service model??

[max-ieremenko]

Two client streams are not supported by gRPC design.