public GrpcCall(Method <TRequest, TResponse> method, GrpcMethodInfo grpcMethodInfo, CallOptions options, GrpcChannel channel)
{
// Validate deadline before creating any objects that require cleanup
ValidateDeadline(options.Deadline);
_callCts = new CancellationTokenSource();
// Run the callTcs continuation immediately to keep the same context. Required for Activity.
_callTcs = new TaskCompletionSource <Status>();
Method = method;
_grpcMethodInfo = grpcMethodInfo;
Options = options;
Channel = channel;
Logger = channel.LoggerFactory.CreateLogger(LoggerName);
_deadline = options.Deadline ?? DateTime.MaxValue;
Channel.RegisterActiveCall(this);
}