public override async Task <TResponse> UnaryServerHandler <TRequest, TResponse>(TRequest request, ServerCallContext context, UnaryServerMethod <TRequest, TResponse> continuation)
        {
            using (var scope = _serviceProvider.CreateScope())
            {
                ScopeServiceProvider.Current = scope;

                var unitOfWork = CreateUnitOfWork(continuation.GetMethodInfo());
                var response   = await continuation(request, context);

                if (unitOfWork != null)
                {
                    await unitOfWork.CompleteAsync();
                }
                return(response);
            }
        }