/// <summary>
/// Makes a duplex streaming request.
/// </summary>
/// <param name="client">The client.</param>
/// <param name="additionalMetadata">The additional metadata.</param>
/// <returns>A Task.</returns>
public static async Task MakeDuplexStreamingRequest(Foobar.FoobarClient client, Metadata additionalMetadata)
{
using var call = client.DuplexStreaming(headers: additionalMetadata);
await call.RequestStream.WriteAsync(DefaultRequestMessage).ConfigureAwait(false);
await call.RequestStream.CompleteAsync().ConfigureAwait(false);
while (await call.ResponseStream.MoveNext().ConfigureAwait(false))
{
}
}
