public Task <SlmStartResponse> StartAsync(Action <SlmStartRequestDescriptor> configureRequest = null, CancellationToken cancellationToken = default)
        {
            var descriptor = new SlmStartRequestDescriptor();

            configureRequest?.Invoke(descriptor);
            descriptor.BeforeRequest();
            return(DoRequestAsync <SlmStartRequestDescriptor, SlmStartResponse>(descriptor));
        }
        public SlmStartResponse Start(Action <SlmStartRequestDescriptor> configureRequest = null)
        {
            var descriptor = new SlmStartRequestDescriptor();

            configureRequest?.Invoke(descriptor);
            descriptor.BeforeRequest();
            return(DoRequest <SlmStartRequestDescriptor, SlmStartResponse>(descriptor));
        }