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

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

            configureRequest?.Invoke(descriptor);
            descriptor.BeforeRequest();
            return(DoRequest <IlmStartRequestDescriptor, IlmStartResponse>(descriptor));
        }